MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised websites and link farms, suggesting a phishing or malware distribution scheme. The presence of external URI links and link farms indicates an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://smidgel.ru/uplcv?utm_term=android+studio+not+detecting+ios+simulator PDF link annotation
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/8ef059bd5b20708852b9cd5bb373d08b/61721763835.pdfIn PDF document text
- http://thuephotocopytaihanoi.com/upload/files/49064047026.pdfIn PDF document text
- http://cc-loges.com/uploads/file/tejonil.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613297b2e1abf---20757124899.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/161389aaf4a3e4---xogolorupup.pdfIn PDF document text
- http://ajmason.com/admin/ckfinder/userfiles/files/75991330646.pdfIn PDF document text
- http://asirakademi.com/resimler/files/56728459908.pdfIn PDF document text
- http://www.yoko-ono.be/images/userfiles/file/61283310868.pdfIn PDF document text
- http://yhbinternational.com/userfiles/file/87620668522.pdfIn PDF document text
- https://pierrelemagicien.com/userfiles/file/74400350871.pdfIn PDF document text
- https://at2-turbo-j3t.com/contents/files/gofezumuvopitawefe.pdfIn PDF document text
- https://chulintemple.org/CKEdit/upload/files/jikojuvetijogalujebano.pdfIn PDF document text
- https://istanajp.com/contents/files/8562958265.pdfIn PDF document text
- https://www.weboonline.com/ckfinder/userfiles/files/60722140982.pdfIn PDF document text
- http://gwardiajuvenia.pl/zdjecia/fck/file/ximodujij.pdfIn PDF document text
- http://roseeskin.com/userfiles/file/20210907180318.pdfIn PDF document text
- http://m-camper.ru/ckfinder/userfiles/files/wowozobadorogotepapogal.pdfIn PDF document text
- https://red-adlay.com/upload/files/29312203349.pdfIn PDF document text
- http://johnmarzillier.com/ckfinder/userfiles/files/karafin.pdfIn PDF document text
- https://melz-feu.ru/upload/sisis.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c450ae11d---25793979406.pdfIn PDF document text
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/98201594561.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_off0000df4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF4A | 19160 bytes |
SHA-256: 95cdac9cb6a671c097d149f96060730686b5e3d83a5f7955be83608c7a2f4246 |
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font_01_sfnt_off00011225.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11225 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A3C | 10792 bytes |
SHA-256: e206ea712b4609fd3ca6770e51b7345c32a284226f18d7c8cbc75284c6f29cb1 |
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