MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of numerous URLs, including one with a 'utm_term' parameter suggesting a phishing lure, strongly points towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://drafthe.ru/uplcv?utm_term=usb+tethering+windows+10+not+working PDF link annotation
- https://artgallery.devctn.com/ckfinder/userfiles/files/xusejikageriwuxorojadaf.pdfIn PDF document text
- http://annabarons.com/files/files/gigagetarinuga.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/e7ctcojesgcn9t6emtcr028gt7/52733324385.pdfIn PDF document text
- http://clear-es.net/yamituki-n/uploads/files/vuvikabejovakadupinek.pdfIn PDF document text
- http://www.itidharamshala.in/images/uploads/files/96744501601.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0ab89212d---mevesomegenuvonefija.pdfIn PDF document text
- https://sikahaiphong.com/images/news/files/31298933420.pdfIn PDF document text
- http://hmed.vn/upload/files/53135427663.pdfIn PDF document text
- http://xprchemical.com/upload/files/bazeladenupobam.pdfIn PDF document text
- http://palaciodelosnavas.com/userfiles/file/33629768293.pdfIn PDF document text
- https://monyetjoget.com/contents/files/70218013519.pdfIn PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/tapal.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f44ea67328---vabefujopowewodadegopanod.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148e673b5673---94441506821.pdfIn PDF document text
- http://worldcar.jp/userfiles/files/gagelos.pdfIn PDF document text
- http://jr-bang.com/uploadfiles/20210913224554.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/zatipabumumexolojowopiteb.pdfIn PDF document text
- https://yuktogel.com/contents/files/63425377902.pdfIn PDF document text
- https://anjingliar2.com/contents/files/62032655426.pdfIn PDF document text
- http://humanlitech.com/files/files/kikaz.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/stdf3iamornp819udns9ke4jt4/luvegojokotaridoli.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_off0000d686.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD686 | 17796 bytes |
SHA-256: 0d1c81c655791051016d95be9b065fc5178a14aa29d6228645dd5246731b3dfc |
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font_01_sfnt_off00010427.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10427 | 10820 bytes |
SHA-256: 819643bfbabb23bf0158343345a5d87f1e8686d4777f1732d6a7c23861bdfb91 |
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font_02_sfnt_off00011cf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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