MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with multiple URLs pointing to potentially compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly indicate the file's purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://jatransfer.com/userfiles/file/983256624.pdf In PDF document text
- https://afra24.com/basefile/afra24/files/99581950409.pdfIn PDF document text
- https://smartcirclegroup.com/userfiles/file/kamadipipegixigokew.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/44417731955.pdfIn PDF document text
- http://xn--80aadcnaeutgftohcogh8i8dsc.xn--p1ai/pict/file/6365513592.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/1c1a12527067f44b950755a2760caee2/10165771530.pdfIn PDF document text
- http://lube-stc.com/ckfinder/userfiles/files/59088682641.pdfIn PDF document text
- http://www.bargiel.com.pl/ckfinder/userfiles/files/lifazenuwovepufusi.pdfIn PDF document text
- http://psychanalyste-gard.fr/ckfinder/userfiles/files/55876187728.pdfIn PDF document text
- https://nmg.lv/img/uploads/files/sesekizedifivajolotasiz.pdfIn PDF document text
- http://itineraire-consulting.com/ckfinder/userfiles/files/92842352794.pdfIn PDF document text
- https://grandiosieventinuziali.it/filesUploads/file/31634150124.pdfIn PDF document text
- http://artiguardia.pl/userfiles/file/10370114017.pdfIn PDF document text
- https://amursvoidom.ru/media/files/fesovakuzaziwu.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136d2571ed41---bobuto.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378192a6627---62109611618.pdfIn PDF document text
- http://spielundlicht.de/content_provider/documents/files/84383392250.pdfIn PDF document text
- https://www.tahitotfaluovodak.hu/ckfinder/userfiles/files/dinoliwirorejowiw.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/76760948573.pdfIn PDF document text
- http://liceoadultos.juniorcollege.cl/userfiles/files/warefogurisubo.pdfIn PDF document text
- https://eownauto.com/uploadpic/files/53608279405.pdfIn PDF document text
- https://10playsolutions.com/clients/softklk/documents/_articles_/file/77116425362.pdfIn PDF document text
- https://ylwlgwadmin.ylwl.cn/upload/files/82846377672.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/95676562902.pdfIn PDF document text
- http://nhactheducthammy.com/upload/files/salexesuposafovalovekejox.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=minecraft+mcpe+skins+downloadPDF 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_off0000e16f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE16F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f986.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF986 | 10952 bytes |
SHA-256: 95eabea55fef8c232f2693c2472e43fd56dd6e5fb32646a5e39e8ba0aac3f55c |
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font_02_sfnt_off000112f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112F8 | 18676 bytes |
SHA-256: 0b751c50958e824ec1813cd042c3b0fec13fd7d46d87a49bc1747210c0428edd |
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