MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://nipisod.ru/strik?utm_term=difference+between+tascam+dr-05+and+dr-05x PDF link annotation
- https://pijetupuz.weebly.com/uploads/1/3/4/3/134351396/4945186.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405413/normal_604cbbbb80eab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490364/normal_601fb0d361911.pdfIn PDF document text
- https://tajolakafu.weebly.com/uploads/1/3/1/4/131454466/xeworawitifefe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475847/normal_6021abc2b5824.pdfIn PDF document text
- https://gimoxawoja.weebly.com/uploads/1/3/1/3/131380550/xudugafasizul.pdfIn PDF document text
- https://zipufalazuviw.weebly.com/uploads/1/3/1/8/131856517/9996d9d68143.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405195/normal_6039144e72d3f.pdfIn PDF document text
- https://rasaputale.weebly.com/uploads/1/3/5/3/135323831/fugudulupidus.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f8071fb1-33dc-4bb9-9fe9-292e0ca0d861.filesusr.com/ugd/253000_044377c7fae54d7d8e49248ecbbbb42d.pdf?index=trueIn PDF document text
- https://68f06c25-eb64-4e0a-94e3-a0e33e610147.filesusr.com/ugd/463ace_35cccc46667a4df7af812fc00312fce2.pdf?index=trueIn PDF document text
- https://ce5d016b-e5fb-4004-af8f-35f61b829e22.filesusr.com/ugd/d7d7f8_4e4b4f0f91f9402db18457112893d634.pdf?index=trueIn PDF document text
- https://995be609-08d3-41b1-a6c0-90e53670bcec.filesusr.com/ugd/9988e1_aab624dd6b974d75b8d985140d9829db.pdf?index=trueIn PDF document text
- https://2d130471-2a64-48ba-87cf-8f1e86c6acad.filesusr.com/ugd/9c43ec_0152e25cd8874969a479c937d453b12f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8f1fd1ca-6cb6-40f4-a88d-e8313ee77c4b/how_long_do_i_need_to_study_for_pmp_exam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b81846fa-8da9-463c-9168-b0541fead398/majer.pdfIn PDF document text
- https://d926c97b-7f3b-4ec8-a52a-318bcb589338.filesusr.com/ugd/120f26_f1c9e24e80614018bf820e577d12628d.pdf?index=trueIn PDF document text
- https://77cbb24c-feae-490b-854c-0a9d4db21a85.filesusr.com/ugd/3752ea_0c3fd1a286ce4af2bb2f6d809e54f6f9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7fd97f4b-ceeb-45b7-8fb4-7ff3405ca583/84980406667.pdfIn PDF document text
- https://5fdaa9e0-ad6d-443b-8779-beb8e45026dc.filesusr.com/ugd/05301a_b958848e76f5488ca04dc293333b0425.pdf?index=trueIn PDF document text
- https://2a6c20f5-091f-48b5-a5be-bf749919b1f6.filesusr.com/ugd/3794ad_039e100064aa4bceb3c1fd7f2e34e7eb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6d90f185-eac2-43f3-bea0-eb3dd000866d/masterbuilt_sportsman_elite_gas_smoker_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e83dc460-007a-47ed-bf3a-8c8c64ba72fa/amusing_the_million.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f79590f8-7bd7-43e2-bafd-745ed5d5f17b/23093754196.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/38ed29f0-9178-4c3b-8161-f6a10400091a/optimate_4_dual_program_battery_charger.pdfIn PDF document text
- https://0f8fedcd-12c0-4678-86f8-e2bff7269121.filesusr.com/ugd/70e7d4_81cb92892b71470d8acba506e3bba0d8.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_off0000ffcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFCC | 5732 bytes |
SHA-256: 52499fa7066a8269a026a8db00f3cc7cd83d153a9bd22cdb091eb31d49222210 |
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font_01_sfnt_off00011364.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11364 | 11884 bytes |
SHA-256: 55ed531117d6946fd73e72c3811b15c4ecfb61439e9c5a7c40a44dbf6f329959 |
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