MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, forming a link farm. The document's content, though heavily obfuscated, suggests a lure related to employment, likely to trick users into visiting these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://turagent007.ru/userfiles/file/gaxovejubusevirijin.pdf In PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/rg3ovdd381cmccti5gloadg0r0/80677763186.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/969b9532ff5a73444ecac5eae2d33a74/refozuf.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/88197649129.pdfIn PDF document text
- http://tencanpowder.com/d/files/37216703789.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7fbf2a612---17300738361.pdfIn PDF document text
- http://pulsarvn.com/media/ftp/file/gogipowuroposinowew.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/2325b8000ab63c3eda7486438cb57026/8303452114.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/47c5788d6676bb78b0248567459c9927/zagimuwiti.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d6adae5ba7---nisumuzamow.pdfIn PDF document text
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/7fa9fa58feba50222b6ff040831de44c/tolavigexijimaxaminolere.pdfIn PDF document text
- https://avela.md/userfiles/file/zifuxeper.pdfIn PDF document text
- http://findmealocalpainter.com/insurazon/admin/userfiles/file/xobuzuki.pdfIn PDF document text
- http://bong-dem-long.org/upload/editor/files/20668002307.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16086d3c533bfb---kazepatawesewudimov.pdfIn PDF document text
- http://vitali-schulz-eiskunstlaufen.de/userfiles/files/46671511941.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=employee+referral+letter+examplePDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6C4 | 4996 bytes |
SHA-256: b7590857406362b4f4d3c49e13aca495cff64ce535164a0d69f66e0c2c12ef6e |
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font_01_sfnt_off0000f7bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BD | 10364 bytes |
SHA-256: da1549710bfa92477f711daf4c1fdcc851adad92783fc56d1ac9df70b5bec201 |
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