MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to potentially compromised CMS uploads or disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The document's purpose appears to be directing users to these external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crewmak.ru/uplcv?utm_term=why+does+my+message+app+keep+closing PDF link annotation
- https://pasationtravellers.com/root/FCKeditor/file/95443967753.pdfIn PDF document text
- https://777mto.org/contents/files/lukinedujotitevudixogu.pdfIn PDF document text
- https://rachelrom.com/rescontent/file/1114737162.pdfIn PDF document text
- http://doingthing.com/downloads/blog/geust/files/gufofakax.pdfIn PDF document text
- https://democv.associasuite.com/imagenes/contenidos/files/21418608862.pdfIn PDF document text
- http://winterwonderlandzundert.nl/uploadimages/files/bobexojokozitum.pdfIn PDF document text
- http://sinostandards.net/upload/files/51175977404.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/jgs60jl725vi6lgf94nq48hdi7/62456601420.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/ind4ve5bev7fhlef4okc2pi4ru/fadifakavorelemabokegive.pdfIn PDF document text
- http://creatinglifeoptions.com/userfiles/files/42362003984.pdfIn PDF document text
- http://sooam.com/files/fckeditor/file/206794103161339b3d13815.pdfIn PDF document text
- https://tonymusic.se/UserFiles/files/48628892450.pdfIn PDF document text
- http://musicincw.com/fckeditor/userfiles/image/zewuwifomiwaforutawatilu.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161335a655b90c---terubotebobo.pdfIn PDF document text
- http://baikalspring.ru/ckfinder/userfiles/files/68670152158.pdfIn PDF document text
- https://trompis-tondschungel.de/userfiles/file/dedereb.pdfIn PDF document text
- http://topp.pl/_topp/file/23108007714.pdfIn PDF document text
- http://elpijisystem.com/file/31424820944.pdfIn PDF document text
- http://trustycctv.com/ckfinder/userfiles/files/20993802899.pdfIn PDF document text
- http://cloudinfo01.smartevolve.com/images/ckeditor/files/12359846841.pdfIn PDF document text
- http://eqletstalk.com/uploads/files/202109100024582692.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130cd8ad3e62---49304256889.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/8gc9tdgv4g0hhmldgik7a0pn0p/sojonidiruwarodosejemi.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/d84453d94ef4051ec15ae526384e85c7/31714564806.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_off0000c7c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7C9 | 10964 bytes |
SHA-256: 7b9fb572229306711ebf9cf390d1fe5596989646f79e395242c9427050013c34 |
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font_01_sfnt_off0000e0cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f8df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8DF | 16516 bytes |
SHA-256: aff59ea40d7518fcba19c6b566ed3849fd8c008bd32ff4f4be6be018ec8b186e |
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