MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with many pointing to redirectors and disposable hosting services, indicating a likely phishing or scam campaign. The ClamAV detection and ML classifier strongly suggest malicious intent. Although no scripts were extracted, the extensive link farm and redirector usage are indicative of a malicious document designed to lure users to external, potentially harmful, sites.
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=principles+of+marketing+test+questions+and+answers In PDF document text
- https://cdn.sqhk.co/fodexuxefeba/j1WgeZ4/z_nation_wiki_lucy.pdfIn PDF document text
- https://cdn.sqhk.co/rejelozekazo/hcheYoB/9594572317.pdfIn PDF document text
- https://cdn.sqhk.co/zereseful/foLszhg/pac-_man_world_20th_anniversary_bin.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4492278/normal_5fff4c9d3e639.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414172/normal_5fe6ede64b365.pdfIn PDF document text
- https://totibevopomuv.weebly.com/uploads/1/3/0/8/130813722/levaxeji.pdfIn PDF document text
- https://cdn.sqhk.co/wolanojijen/Whba2gg/othello_download.pdfIn PDF document text
- https://cdn.sqhk.co/xogovofofi/hdgcwgc/stoney_s_rockin_rodeo.pdfIn PDF document text
- https://cdn.sqhk.co/mukujoripu/hibgeZg/japantaxi_app_coupon.pdfIn PDF document text
- https://witetalujoloxof.weebly.com/uploads/1/3/0/7/130740434/zonade.pdfIn PDF document text
- https://cdn.sqhk.co/kawurefeki/jjhhc5u/granny_mod_apk_mod_menu_1._7_outwitt.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375700/normal_600820bb6e6b4.pdfIn PDF document text
- https://sitoluvumoroge.weebly.com/uploads/1/3/4/7/134762666/9ff926806ab7ec6.pdfIn PDF document text
- https://cdn.sqhk.co/nadetajagupe/Xibkthh/crossword_puzzle_making_app.pdfIn PDF document text
- https://tidumexuxuzi.weebly.com/uploads/1/3/1/0/131071252/f32f57.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wufujudisu/19552032234.pdfIn PDF document text
- https://f8e303d0-f350-43d2-b7c3-f886ef13ec25.filesusr.com/ugd/1bb397_f917676330b2477c8bae604979ef92b1.pdf?index=trueIn PDF document text
- https://b3a1a1c9-4f8f-4fb8-b7cc-7339030cc889.filesusr.com/ugd/162fe6_ec05a80287094e849bd6d741fdbcdf6d.pdf?index=trueIn PDF document text
- https://8035c368-62b5-4e0f-b07c-73fd2baf85c9.filesusr.com/ugd/2ee8d4_510cf995b33044fd94e57c8adc584dc1.pdf?index=trueIn PDF document text
- https://4fbc56e1-d9a2-4996-be1d-38f9cd263936.filesusr.com/ugd/b1afee_e1407261049a407caf7ae712af3d597e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xovekolamoxe/sebosukokoz.pdfIn 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_off00010b7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B7A | 5756 bytes |
SHA-256: e98e35bc51dd41e25b9f0e23c72a9a64d15c5dd41d62c066d53c18693955595a |
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font_01_sfnt_off00011f01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F01 | 10928 bytes |
SHA-256: c6696695f343cca790ae337761897ca139087458045b94e5f558f7796c9e453f |
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