MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. Heuristics indicate it's part of a link farm hosted on compromised WordPress sites, suggesting an attempt to distribute phishing or malware. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing lure or a downloader.
Machine Learning
- Nyx PDF Classifier malicious score 0.9784
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c2cb0b16d4f---farabuzekoratevepifatew.pdf In PDF document text
- https://moscowfashion.net/content/xuploadimages/file/doramilawidigobebewozigi.pdfIn PDF document text
- https://realschoolspirit.net/scauserfiles/files/86226300699.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/b8pr6odhn2orjgaj1f2tbrkfm2/35552819827.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/67472886942.pdfIn PDF document text
- https://ptogel2.com/contents//files/lebafeguketez.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/jkc7hbm6vmarphs88jlvuq31l2/juwozamorazonojasow.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b01aa526eb3---71063541991.pdfIn PDF document text
- http://steammining.com/userfiles/file/49261820353.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/82854487413.pdfIn PDF document text
- https://phoenixturkey.com/upload/ckfinder/files/jirosijikajitasovej.pdfIn PDF document text
- https://fotovipvercelli.it/file/76505275837.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/ph7n65j3mv50rr9e20h3lm29h5/xexobiforezeladewejokuwa.pdfIn PDF document text
- http://bandenplaats.nl/cmsimages/file/bukufutudomajepozizenaxa.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e77a11a18---55389917775.pdfIn PDF document text
- https://unicorn.mn/js/ckfinder/userfiles/files/perolujijaxawa.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3650408168---8774365185.pdfIn PDF document text
- http://robalton.es/Albums/images/file///jupanapikujiwawu.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/9a5e8cb3a71aacb1ba7a8e3ef777fb8a/tofaledijizafojaridamojav.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a850d906ffd---kemuxugajo.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e8e994e09c---nuwofolop.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/ae54f9314d95ef50cdce693a13d7bb57/xamusagufarodofodiwoloren.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd59ca8b04---lazakabakobizaxax.pdfIn PDF document text
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/fa5f3df54b27acbd74e370b49c2bef68/98229560570.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/7ifnatr0sv5sqtrrjvscq15r06/kajijezaxutimawi.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/d68d764ffef37deb14acdf13a664e3c8/21971224663.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a151c884d47---kedonel.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=geant4+user%27s+guide+for+application+developersPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000116ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116EE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012f05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F05 | 11112 bytes |
SHA-256: 577fc4de722bc13ce6ebf918a53550bf81a7b304ebb82a686426eab2da8e2129 |
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font_02_sfnt_off00014903.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14903 | 18632 bytes |
SHA-256: 72108643f7d9575f48fdda537b96b30bc5bedefe1820447b2fba6ce7e8f4dfa8 |
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