MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, but the presence of external URIs and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 http://biolabsrl.org/userfiles/files/sogajaxenisuzademaxekat.pdf In PDF document text
- http://beytarimcilik.com/admin/editor_resim/file/xudetojanip.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c12e71eb112---34095503083.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160824a296ba43---voxafokumoleketejesejo.pdfIn PDF document text
- http://campbellelectronics.com/uploads/denakaditesumedorovamefod.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/bae7a00f5651a48c69c2dc5343f91ae1/57869709978.pdfIn PDF document text
- https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/7c6099c98196e93da273aadc70f7bed6/81199853673.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/n1dd34shgfnfccq2b5svvks14r/gatadimufemivivarinakif.pdfIn PDF document text
- https://autotrans911.com/thread/admin/uploads/file/nulagemopegenufi.pdfIn PDF document text
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/8642cd13ae73efe48aac960fe73cefb5/65423461175.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b597308fd10---19926855280.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/5ca13f8840206b8e812600c67075196f/48187511999.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a24b503218d---povamajiparolekijifod.pdfIn PDF document text
- http://interel-rus.ru/test/sites/default/files/file/tovukesubudumo.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5e09e466848cb053269d85cae61b79dc/vozorijakozugawuf.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609e64e902302---fotusabetunisuloj.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/3p662lr8gbkfvcja05si7fs05u/kapugi.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/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=sarvnayak+series+listPDF 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_off0000ea0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA0D | 5008 bytes |
SHA-256: f3572298a4a466667a0ce0332f11ae4386cce86263d51ecc923c1d90e232312b |
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font_01_sfnt_off0000fb33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB33 | 10820 bytes |
SHA-256: 3c4ea4373d49576f9249198e3141d812b822ae5b3c124fea47192096c32d7ae9 |
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