MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document body is heavily obfuscated, but the presence of numerous URLs, many pointing to compromised WordPress sites, and a specific heuristic for 'Callback phishing phone lure' strongly suggest a phishing or scam attempt. The ML classifier also returned a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
Heuristics 7
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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) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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://driscollandgibson.com/images/edit_images/file/rimiwawawigejinane.pdf In PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce21d058e6---sevosufudorifukoku.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae67f3506f---12488975888.pdfIn PDF document text
- http://bensonlandscape.com/editorData/file/36719049458.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9ee0c777c---nesofes.pdfIn PDF document text
- http://monkey-do.net/userfiles/file/jeturepojigaxaxe.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/7ec42e8cff6fddebb1064a2985c32874/68908895515.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d96e69e52---zunumoxawadagu.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4f5c31e32d---2603553078.pdfIn PDF document text
- https://afayl.com/userfiles/file/dodada.pdfIn PDF document text
- http://elsekmont.eu/userfiles/file/babenuxegogawifodofizusa.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c1cb53eb083---mebemu.pdfIn PDF document text
- http://www.ferm-matic.fr/upload/file/37150808833.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160933c7978ba2---maxegojowo.pdfIn PDF document text
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608a8ed0d98bd---88248416747.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/92689ea71d5b1af891c659f97589076e/nuket.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160d64e6e5a824---79480411979.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084667782ee9---vujalezedaxok.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/9ce7aa321386cfb6ad62554bea5b384c/digolonufegovuku.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/oh2m3vs0l6dsq6f274eui4slrd/31911742447.pdfIn PDF document text
- http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/89646843777.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/cc20spokj33ei9p0dfg6e9q3ov/wiputagakedejunixu.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/2c454fe601e28ff89ad21eadfae6c8c3/totovuwomubozazefaxavaf.pdfIn PDF document text
- http://sergey-yushkov.com/pict/file/wetutazulixakolisu.pdfIn PDF document text
- http://goldnumber.info/userfiles/file/21910702296.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/tkna5nkepfvsphbsi4dmc8u2e0/67651946857.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=disorderly+conduct+ohioPDF 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_off0000eda0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA0 | 10520 bytes |
SHA-256: 60f26166afc5b2ecefb4d628415e789f8131bc2804f197748ba181d3aa55cdc2 |
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font_01_sfnt_off00010588.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10588 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D9A | 17832 bytes |
SHA-256: 4c54350161971cb816c2fa8aaeca08d11efdbd02b160ce009e3ecd172b192b1e |
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