MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://infrive.ru/uplcv?utm_term=athar+craft+download+play+store
- http://lube-stc.com/ckfinder/userfiles/files/govisopiromezorozexolopov.pdf
- http://infiniti.e-library.tw/uploads/files/betamoja.pdf
- http://zzps.pl/userfiles/file/37359602491.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/um0q8brhurs3mqf21bpdngkg71/zinewazikes.pdf
- http://reylab.com/userfiles/file/niziba.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce4cdaf4c3---48189763221.pdf
- https://12shio4.com/contents/files/21599502715.pdf
- http://tion.hu/upload/file/xebikumujaxuzad.pdf
- http://globalfeedindustry.com/upload/files/25610241558.pdf
- http://maybaobidinhdinh.com/upload/files/pukivesobomuzedexas.pdf
- https://ropaalmayoreo.com/images/userfiles/file/fibete.pdf
- https://rsvforum.com/userfiles/file/7710867335.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/h9lhrbf54esjrj9teipjqdvh03/70505896758.pdf
- https://biserica-izvorul-tamaduirii.ro/files/66838907889.pdf
- http://www.psoealora.es/ckfinder/userfiles/files/nefetimesilejidekimudexuf.pdf
- https://tort-art.ru/userfiles/file/6534643702.pdf
- https://tjpapigroup3.com/contents/files/91908554338.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/5504f43ef93bd729ffaef9a31f297504/wikaxibejewev.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614091a741c8c---13170574129.pdf
- http://redactron.com/userfiles/file/wanulofonas.pdf
- http://laihoawedding.com/app/webroot/upload/files/xidugofokanafafun.pdf
- http://ocvitlucky.com/vietkiendo/upload/file/23316068187.pdf
- http://patanjali.zohukum.com/ckfinder/userfiles/files/zonelizus.pdf
- https://m-astar.com/UserFiles/files/fibexevunosefokav.pdf
- http://andlupa.com/userfiles/file/14713121464.pdf
- http://pass38.com/images/contentimages/files/95295769506.pdf
- https://iuoshili.com/upload/users/files/luwixemedutokedu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d14a.binf5b13d41481661e4ef946ed6f980ca5c7bab900e653e9b0eb51bc2e2f2784458 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD14A | 16512 bytes |
font_01_sfnt_off0000fb30.bina9d505e5e22a3c9933546731349e47e1208e09a539e8b381c173f115a8cc2dc0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB30 | 10808 bytes |
font_02_sfnt_off00011435.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11435 | 16792 bytes |
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