MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS uploads, indicating a link farm or redirection mechanism. While no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it's designed to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://silverk.ru/img/lib/file/wilalenomuf.pdf In PDF document text
- http://maility.pl/_ADRESuserfiles/file/zikofi.pdfIn PDF document text
- http://ideviceplus.nl/app/webroot/files/userfiles/files/40962925110.pdfIn PDF document text
- http://mq-water.net/upload/gurovixufoki.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/98072943491.pdfIn PDF document text
- http://tongrentangthai.com/UserFiles/file/fazotexeganeramomo.pdfIn PDF document text
- http://vestmorecapital.com/images/epost/lugonekinipusaxowuru.pdfIn PDF document text
- http://tradeweb.es/userfiles/file/lafafuluguberu.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/3afbd57c91023dde4ae9b08373114661/42721380784.pdfIn PDF document text
- http://airholic.com/UpFiles/WebEditorFiles/file/87586153635.pdfIn PDF document text
- https://phm.vn/upload/files/bapegof.pdfIn PDF document text
- http://kamerton.nl/clientfiles/8388215574.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613425e758707---kofurobirudevedipoxe.pdfIn PDF document text
- http://unipsyclinic.com/userfiles/file/20210921211824.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/wubemuvadojutojerarem.pdfIn PDF document text
- http://aranykoronakft.hu/userfiles/file/benixatudem.pdfIn PDF document text
- https://rowanmkt.com/Uploads/ckfinder/userfiles/files/88852981564.pdfIn PDF document text
- http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jemitopulimuxerov.pdfIn PDF document text
- https://mmagame.com/userfiles/file/30256570595.pdfIn PDF document text
- http://cuacuontoanthang.com/media/file/10706257966.pdfIn PDF document text
- https://rocha.pt/userfiles/file/98481436675.pdfIn PDF document text
- https://rafaela-motores.com/userfiles/file/solasimawegike.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161407a71503b3---fejikenegalofare.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/161344670b54fd---rajaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=lara+croft+go+freePDF link annotation
- 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_off0000af04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c716.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC716 | 15948 bytes |
SHA-256: a8a6ed42545a2d1adccfd8f22a692d5f3791457044d3651e1d5f419e4a91a8af |
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font_02_sfnt_off0000ef57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF57 | 10056 bytes |
SHA-256: c3616a834c270762aff94335aefeb1651c2f1f44162c438b0038da0ed2f3a96e |
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