MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was identified as malicious by a machine learning classifier and ClamAV, flagging it as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to potentially malicious sites. The document body, though heavily obfuscated, contains references to 'Ielts reading practice test answers', indicating a lure to attract victims. No scripts were extracted, but the PDF structure and numerous external links point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://seumenha.ru/123?utm_term=ielts+reading+practice+test+5+answers PDF link annotation
- https://vewefididijos.weebly.com/uploads/1/3/4/5/134517371/lunupepi.pdfIn PDF document text
- https://guxovegetixewaz.weebly.com/uploads/1/3/2/3/132302910/domokanux.pdfIn PDF document text
- https://cdn.sqhk.co/nuzifixe/bjeYhbu/paypal_account_holder_name.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478968/normal_603bfd5c32657.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4500895/normal_5ff295aa30248.pdfIn PDF document text
- https://bigakajufejala.weebly.com/uploads/1/3/4/2/134265656/wijidanijoku_xoporazotel_tovuzededakekud_wepelozosapora.pdfIn PDF document text
- http://fadewujetenuve.mywebcommunity.org/70945738309.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390637/normal_603275bc76c8a.pdfIn PDF document text
- http://ziwusis.getenjoyment.net/b._tech_marine_engineering_syllabus.pdfIn PDF document text
- http://dujojiwasemob.mywebcommunity.org/51973863542.pdfIn PDF document text
- https://megidawuxuta.weebly.com/uploads/1/3/4/7/134729580/vidusidoliwivo.pdfIn PDF document text
- https://cdn.sqhk.co/susopavazane/jhHghdp/wrc_fia_world_rally_championship_game_free_download.pdfIn PDF document text
- https://buwipifigidorip.weebly.com/uploads/1/3/0/8/130813409/tabilozedeb-lemalaxi.pdfIn PDF document text
- http://zaxevef.getenjoyment.net/welolenal.pdfIn PDF document text
- https://cdn.sqhk.co/rokunufoleti/ieihgia/soul_hunters_movie_wikipedia.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470027/normal_601d510b5a42c.pdfIn PDF document text
- https://cdn.sqhk.co/zikufojigox/jaV0yjd/gaxepoxevubikomodojopazin.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://wasutin.epizy.com/when_god_winks_at_you_audiobook.pdfIn PDF document text
- http://puwojewemuxa.epizy.com/56707588072.pdfIn PDF document text
- https://557345b1-98c6-442d-b460-9e357c178e5b.filesusr.com/ugd/dfb5f8_ad22fa850d16466faa7d285cd1853290.pdf?index=trueIn PDF document text
- https://7f993087-45f6-41f4-96e5-9dcaca18fb91.filesusr.com/ugd/9a92dd_acab8864a6d64a438bb49514b732157e.pdf?index=trueIn PDF document text
- https://cdb53ace-3f3f-41e1-823e-0ecf3add8ba2.filesusr.com/ugd/47e9e0_a4276b2104dd4ed6a44152d2e01ca79e.pdf?index=trueIn 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_off0000e823.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE823 | 5396 bytes |
SHA-256: 775f0c6f9cedcf5b36bcc6714382637ece21f38e99ec1bb0792eb5a10842698c |
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font_01_sfnt_off0000fa9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA9C | 10852 bytes |
SHA-256: 27a47bbe358460e8a6cdb3e5d31c0759d91c76b9eff01b4e8473ffcde1f8542a |
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