MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous external URLs, many pointing to compromised CMS upload storage or disposable hosting, suggest a phishing or link-farming scheme. The presence of embedded JavaScript, though not fully analyzed here, likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9780
Heuristics 6
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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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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 https://crysiq.ru/uplcv?utm_term=electra+and+clytemnestra PDF link annotation
- https://rimsball.com/ckfinder/userfiles/files/79963940021.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8f9ad8091---lajapaf.pdfIn PDF document text
- http://akademia-jedenastka.pl/zdjecia/fck/file/fusolefirojujaxarirazozan.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/c5gu4k42p0qlgn23dlb09ttdu0/wedowokibapenolizoxavos.pdfIn PDF document text
- https://ropaalmayoreo.com/images/userfiles/file/75570992141.pdfIn PDF document text
- http://coiffurenais.com/userfiles/file/wewisere.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e36235959a---61915781502.pdfIn PDF document text
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1609db0e098dc9---36667642800.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/laxiwuxemired.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b12df13571---lanuminedex.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9f16676b1---42632266229.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/1c9ace426d340336d4a70ede11e00939/tofijojubaziwifevibudip.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a86be3c4fb2---zoxubugerotosujuto.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb4ce708e7---28761770876.pdfIn PDF document text
- http://historia-bfured.hu/userfiles/file/gerugalexaxegurupavema.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/03f6ecddcd303c71da1eeb81003988b2/52677201244.pdfIn PDF document text
- https://ewt.cz/res/file/28313598481.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/16090c18c5268e---34509661433.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7d8a67fbe4---75536919309.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ec827cf4f3---jemovafor.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/berux.pdfIn PDF document text
- http://generale-bureautique.fr/gdb/files/file/47308715198.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/2ff6c52b05b221d712f04d0ab521daa5/kesorizarifojopejas.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607450bdcdad7---4289062909.pdfIn PDF document text
- http://nessium.fr/userfiles/file/81607307780.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/8s9m1q0je6ojacthbjorit0ukv/24755664570.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/berijenujafid.pdfIn PDF document text
- 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_off000145ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00015dc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15DC5 | 10416 bytes |
SHA-256: 087d38efca549f14be25ee236e73dcf1d7963e23184bd5cd2d8708478163ac80 |
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font_02_sfnt_off0001755f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1755F | 18484 bytes |
SHA-256: 3a2a1ffe714b7dacb8143a75fe658a0a5457d36f3078e0bf0d1de0e825c92cd7 |
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