MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Numerous heuristics point to the PDF acting as a link farm, with many external URLs hosted on disposable or compromised domains. These links are likely intended to lead users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://huntic.ru/uplcv?utm_term=octal+equivalent+of+the+decimal+number+567+is PDF link annotation
- http://gz-chengeng.com/uploadfile/files/kobixerasopo.pdfIn PDF document text
- http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/86142104263.pdfIn PDF document text
- http://www.kymenhome-etsinta.net/tiedostot/files/34516911815.pdfIn PDF document text
- http://fgosvo.ru/files/files/5361178714.pdfIn PDF document text
- http://sangtaoad.com/uploads/userfiles/file/tuliniw.pdfIn PDF document text
- http://itkaufmann.com/images/fckimages/file/muxegawanuzoziwejepigi.pdfIn PDF document text
- http://speaklifeiamgreatness.com/files/files/tokiwil.pdfIn PDF document text
- http://ijfbn.com/editor_up/nanuxetazopelewijebutebu.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/b96j4a9dulr6b7olfudjgffbe6/xarekonepusijimaxiwujep.pdfIn PDF document text
- http://4bx.pl/public/file/96284864096.pdfIn PDF document text
- https://towa-aaa.jp/userfiles/file/meniwebazi.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16160af7c4c65e---xosagin.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614060ad5d70d---voxomoziguxisej.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615afcffca2e9---nogodi.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/e67eb505374366d5b0ec4eb0a6fc2848/nukafutekakufuxi.pdfIn PDF document text
- https://osakaav.com/userfiles/files/fefikofeta.pdfIn PDF document text
- http://pathtojanna.com/userfiles/files/13885535794.pdfIn PDF document text
- http://hoilhpnqbthanh.com/upload/file/83585440993.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/0cgujgamhgsk3krl9ep1rsfn71/51605272204.pdfIn PDF document text
- http://hotelpenza58.ru/ckfinder/userfiles/files/89363281474.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613032db452b6---66194624553.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_off0000b149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB149 | 11572 bytes |
SHA-256: e1cf3977f66ce4cdb9c698c831341e4aae0d75e6dccc5994f87fa8f2375e0ad7 |
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font_01_sfnt_off0000cc74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC74 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e486.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE486 | 15900 bytes |
SHA-256: 494aa1bca08456d0004ac696e762724295500236a90ed7e21f50525c83b21591 |
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