MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, flagging it as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to potentially compromised websites and disposable hosting, likely to distribute malware or conduct phishing. The presence of SEO-related terms in URLs suggests an attempt to manipulate search results for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://irlanc.ru/uplcv?utm_term=score+hero+hack+mod+apk+download PDF link annotation
- http://kibbkw.com/uploads/files/77023288193.pdfIn PDF document text
- https://kp-bs.ru/upload/files/75515910155.pdfIn PDF document text
- http://heldermusic.nl/ckfinder/userfiles/files/53278145277.pdfIn PDF document text
- http://malir-naterac.info/UserFiles/File/3852386141.pdfIn PDF document text
- http://joyear.com/ckfinder/userfiles/files/69031259806.pdfIn PDF document text
- https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/jugotub.pdfIn PDF document text
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614530c1de829---79821125671.pdfIn PDF document text
- http://beganijewellers.com/ckeditor/ckfinder/userfiles/files/84264831484.pdfIn PDF document text
- http://cbstav.cz/file/91650744727.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1614357fb8045b---67596589988.pdfIn PDF document text
- http://tvkinter.com/file_media/file_image/file/74079944622.pdfIn PDF document text
- http://hoachathoanggia.com/userfiles/file/sutodaperunikexu.pdfIn PDF document text
- http://bienbao.org/uploads/files/papafulif.pdfIn PDF document text
- http://anton-joyeros.shopcloud.es/ckfinder/userfiles/files/77252725531.pdfIn PDF document text
- http://softwaretesting.kr/club/data/userfiles/file/20210915225755.pdfIn PDF document text
- http://suchanekstomatolog.pl/files/file/91600516970.pdfIn PDF document text
- http://kazuma.ru/ckfinder/userfiles/files/xatosasoba.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/3f11111d79322eb53985a0088e0df090/rawobowimivaz.pdfIn PDF document text
- http://globalfeedindustry.com/upload/files/xikam.pdfIn PDF document text
- http://consade.com/userfiles/file/nidanugoruwesipumofeno.pdfIn PDF document text
- http://dryoucosmeceutical.com/userfiles/files/38685571713.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_off0000b10f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB10F | 17736 bytes |
SHA-256: fa4f5eeb4664aa8660f39fb316bc060e5d1f6bbeb7ed46557d3ad741d5f5c1de |
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font_01_sfnt_off0000de4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE4C | 10676 bytes |
SHA-256: 1366062224eaa4b9a0df84801091c84277287a52defff740274ffd3e0ce25b49 |
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font_02_sfnt_off0000f6a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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