MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs, many pointing to compromised WordPress uploads and disposable hosting, suggest a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains references to 'placement papers' and 'answers', indicating a lure tactic.
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 https://inwebjor.ru/uplcv?utm_term=cognizant+placement+papers+with+answers+pdf PDF link annotation
- https://vibangnhadat.com/uploads/files/27165217284.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/4fbf5c0c15ad5b902d30d5d823a5ccfe/menoviwawiniwatotufipo.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/ba3e4e44b5ca9ad108ba2809daf81b29/37589961559.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acb8782e4a5---lopepibepaxogomonojit.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160a3501680484---3639936529.pdfIn PDF document text
- https://samarpanbharat.org/trila/userfiles/file/63966319928.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/mesoca390s2hmcmbi9jpsc7l4o/jepejelogoxi.pdfIn PDF document text
- http://pulsarvn.com/media/ftp/file/8961829065.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/l6si18j7pqi8h53vim1t664vvg/sowuvijovox.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/13815256550.pdfIn PDF document text
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/5bb8babb0aad45a75872a3826e21c2a4/lekebalalojuzowe.pdfIn PDF document text
- http://isvpro.com/custom/files/ledepovawemokofaxe.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a16d7615952---36626751565.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/s7kkls0mfdngknv08hjbcahpid/86742032414.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfd9a3fd09---situnad.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a01e298407---mafanara.pdfIn PDF document text
- http://www.cognizant.coIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0000e8bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8BC | 5616 bytes |
SHA-256: 63f049b56afd31fcf659b39654156ad739e5ac2cc76d6355a78ed3032fbab4f3 |
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font_01_sfnt_off0000fbc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC3 | 11684 bytes |
SHA-256: 060ba7fcb0327d64f21fc01565ad78d6fc00b51267f028f61175d59b1545016e |
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