MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous external links, many pointing to compromised WordPress sites, suggesting it functions as a link farm or phishing lure. The presence of 'subject pronouns online exercises' in the document body is a common social engineering tactic to disguise the malicious nature of the file.
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://philabc.ru/uplcv?utm_term=subject+pronouns+online+exercises PDF link annotation
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4e45c10c99---niluziwamoxobu.pdfIn PDF document text
- http://amon-syotengai.com/userfiles/file/gafimuduzexizasorokir.pdfIn PDF document text
- http://aihyang.com/userfiles/file/24874101716.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/sovhiqtfgnknb1k09kun7177v1/xozaguzeboxefinemat.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/q0fmlg4tgmqahqpmcm2qicq34v/judusafegowozavowi.pdfIn PDF document text
- http://musiconthebay.org/clients/2/26/269dd5bc96e197da989a8dccc71442af/File/70075800727.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/93058342483.pdfIn PDF document text
- http://firewheels.pe/userfiles/file/46529629899.pdfIn PDF document text
- https://yildizwebpaket.com/calisma2/files/uploads/jerixunofewil.pdfIn PDF document text
- https://girilawfirm.com/content_files/files/sopokusibixedibanu.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1609239b6d8474---76206601484.pdfIn PDF document text
- http://www.rotudavid.com/ckfinder/userfiles/files/vikerepimekegalowatedore.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096713eeec17---47486313800.pdfIn PDF document text
- http://homenet-spb.ru/userfiles/file/98106717777.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607efcc1e341a---28116841381.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/gr7i4quuetfd6kja0s0mvbtb37/sonokuve.pdfIn 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
- 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_off0000cda7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDA7 | 5104 bytes |
SHA-256: cef6d99f7db47226c85da13a1d7783d81ff3fdf77a5ad4c3ae53d33c2f7be8ff |
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font_01_sfnt_off0000df1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF1D | 11772 bytes |
SHA-256: 7c7dace1bb0796f97f7e14021aae089e1da1f31a3e0de9756467ddaef24939b5 |
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font_02_sfnt_off000105e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105E8 | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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