MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links, many pointing to disposable domains and redirectors, indicating a link farm designed to distribute malicious content or phish users. Heuristics indicate the PDF links to known malicious redirector infrastructure and is classified as a phishing trojan by ClamAV. The ML classifier also flagged this PDF with high confidence.
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 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/wix?keyword=west+of+loathing+necromancer+guide In PDF document text
- https://cdn.sqhk.co/nanagajog/ibie1NL/confidentiality_agreement_canada_template.pdfIn PDF document text
- http://mukinokelek.mygamesonline.org/application_of_air_conditioning_system.pdfIn PDF document text
- http://talajifit.mywebcommunity.org/sedaxazenonov.pdfIn PDF document text
- https://cdn.sqhk.co/naxaroja/jeg4igT/dumubebi.pdfIn PDF document text
- https://cdn.sqhk.co/boxewemutox/kEWpw1P/sevume.pdfIn PDF document text
- http://perfectiona.online/xidutaxemepalufudazoznf3t3.pdfIn PDF document text
- https://cdn.sqhk.co/mofijovelu/ltheihe/kosmonavtes_escape_reality_level_5.pdfIn PDF document text
- https://cdn.sqhk.co/xeposetuge/bpaicwJ/gowakawu.pdfIn PDF document text
- http://kesisofawa.mygamesonline.org/how_to_use_classical_conditioning_in_the_classroom.pdfIn PDF document text
- http://instapriz.online/how_to_turn_on_a_raypak_pool_heater1frs0.pdfIn PDF document text
- https://cdn.sqhk.co/vefusujix/PRigice/gogelogarivolulamid.pdfIn PDF document text
- https://cdn.sqhk.co/baruduwege/hdigig5/86788283711.pdfIn PDF document text
- https://cdn.sqhk.co/nipumusawobo/hb6gegi/cisco_webex_meetings_update.pdfIn PDF document text
- http://websporizlehd.com/darisugurumabxi4k.pdfIn PDF document text
- http://cparta.moscow/super_juice_me_28_day_planbpyq6.pdfIn PDF document text
- http://classkaod.ru/61396588269aahb3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fuvuvadut.onlinewebshop.net/fakefofisagewuwu.pdfIn PDF document text
- https://4c72699b-aa2e-4dc8-8bd5-1a54e8f938a6.filesusr.com/ugd/f3cb45_a632a2e4664f4da88cc3511a88d60bcc.pdf?index=trueIn PDF document text
- https://0e67983c-e844-40c9-b604-97311ec94efe.filesusr.com/ugd/6e13d9_3ab4c252a6da40249976e974e1ea221d.pdf?index=trueIn PDF document text
- http://gaxilitexu.onlinewebshop.net/27276674487.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_off0000ebf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF8 | 5448 bytes |
SHA-256: b7a92eae2d7d3fc88cd957d196c386b945459985daceabe30e21cf22c841d1c1 |
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font_01_sfnt_off0000fe62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE62 | 11168 bytes |
SHA-256: 7b95a30e4d624f74d2b0f389288f0177f0a93167e50facc7839ad0da6fb238ed |
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