MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of external links, many of which point to compromised WordPress upload directories. The ML classifier and ClamAV both strongly indicate maliciousness, classifying it as a phishing trojan. The primary attack pattern involves directing users to potentially malicious or compromised websites through a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://tianlanlawyer.com/filespath/files/20210821155613.pdf In PDF document text
- http://tavio.su/files/file/risutu.pdfIn PDF document text
- http://ouhkpthaa.org/userfiles/83379173595.pdfIn PDF document text
- http://texasstatealphaxialumnae.com/clients/f/fe/fe72632f573fdc77cca6b85875c63e8a/File/18583459659.pdfIn PDF document text
- http://yousefmaktabi.com/ckfinder/userfiles/files/93654024252.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609870625a16b---juzolelisavidij.pdfIn PDF document text
- http://maivietnamesecotati.com/uploads/files/xidapiritejalasi.pdfIn PDF document text
- https://pharmalogindia.in/ckfinder/userfiles/files/namixemugutozemamut.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16093c3eb1c8a3---wepizupogar.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/f86c399b3a35ba06d8b5c507ff5f8c70/34718893689.pdfIn PDF document text
- https://nabijdefossa.nl/upload/files/gigoge.pdfIn PDF document text
- http://studiopetrilli.it/userfiles/files/60701855279.pdfIn PDF document text
- http://www.udelimpa.es/ckfinder/userfiles/files/luxadajotinovo.pdfIn PDF document text
- https://atamergranit.com/userfiles/file/kirijuwulotorisedabewa.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/bk4ghsnknp23iu97nv6pb5css7/3753048409.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607835ccdb2b1---xowesesigivizuwukuxumawe.pdfIn PDF document text
- https://jamurgoreng.net/contents//files/79824245599.pdfIn PDF document text
- https://clove7.com/userfiles/file/rizigexuneg.pdfIn PDF document text
- https://alquimia.in/admin/fckeditor/editorfile/27447414502.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160e2c86d1d2aa---89789769959.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c08d11a84---39196325759.pdfIn PDF document text
- https://presentkompaniet.com/img/content/file/26186769684.pdfIn PDF document text
- http://elencostruzioni.it/userfiles/files/vuviburilufofiwamuk.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d013aca92---ruzageworikewekugaxiw.pdfIn PDF document text
- http://decamiones.com/userfiles/file/41108693161.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=team+management+interview+questions+and+answersPDF 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_off0000ebe5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE5 | 10908 bytes |
SHA-256: 42e3bd7db434c52e81026c78531643fe03446d6f1f33f77850cdf4fc6276a1a8 |
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font_01_sfnt_off000104a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A9 | 16832 bytes |
SHA-256: 4f1357c6f2b96ec635e44c2dc78d570e582ea9b39ffff73124a386d97eaf1e85 |
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font_02_sfnt_off0001303d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1303D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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