MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The primary attack pattern observed is the use of a link farm to lure users into downloading further malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://garglob.ru/uplcv?utm_term=networking+pdf+books+free+download PDF link annotation
- http://www.tobywells.org/media/fckdir/file/fosafotegalupuputoju.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/thlnem0urkafar796mgm83qot4/16582684742.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/5725b2318c9f3c337da6b8e9bda37430/94993587076.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/07912e6cb4b5988af021cc1d854822d9/ledadimikujovadifiwag.pdfIn PDF document text
- http://anpo.vn/upload/files/dejutisatiwepuxen.pdfIn PDF document text
- http://velkoobchod-man.eu/ckfinder/userfiles/files/xewavuwoj.pdfIn PDF document text
- http://ekolojikweb.net/upld/userfiles/file/dogilasane.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087c4eaae9b7---litirito.pdfIn PDF document text
- https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/cc28ab009622e0554a07574d82302030/gapefimawejifuw.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160730bd3ba57b---nasopewavotavutuluzevo.pdfIn PDF document text
- http://amctop.com/board_data/editor_img/file/202106102027.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16093f60d5527b---lejadosumilega.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160990bfaec5f5---56469067632.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b99ac24ef9e---xulojufuvu.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/4a2614f927cf44dda379c75217302fed/jitutilokavoxozokesogujo.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_off0000ebe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE7 | 24760 bytes |
SHA-256: aa36e6cd31aa04f12ccb381e6fa0829f5a2d0c657424137abd53b20038d14e1d |
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font_01_sfnt_off0001214b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1214B | 10968 bytes |
SHA-256: c71d12f0578d63d55cf8dd967fc0a5a60d72516a3a530536a2665b11f5e65d5f |
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font_02_sfnt_off00013a81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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