MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to disposable hosting or redirector infrastructure, suggesting a link farm designed to distribute malicious content or phish users. The primary URL, https://dafemum.ru/strik?utm_term=made+easy+electrical+handbook+pdf+free+download, is flagged as a malicious redirector. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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/strik?utm_term=made+easy+electrical+handbook+pdf+free+download In PDF document text
- https://jogelobob.weebly.com/uploads/1/3/5/9/135961552/mabopafala.pdfIn PDF document text
- http://neridofufuleteg.scienceontheweb.net/30703196809.pdfIn PDF document text
- http://jidapuxedepu.medianewsonline.com/15197445135.pdfIn PDF document text
- https://sudarotabodubig.weebly.com/uploads/1/3/1/4/131407445/614247.pdfIn PDF document text
- http://about-fb-support.com/18835921726vll0x.pdfIn PDF document text
- https://dalupapixoriwu.weebly.com/uploads/1/3/1/4/131438121/4292305.pdfIn PDF document text
- http://nakidki-alkantara.xyz/algebra_and_trigonometry_6th_edition_blitzertj10s.pdfIn PDF document text
- https://cdn.sqhk.co/miviterul/hxUijgi/limobuwulutiliwinobob.pdfIn PDF document text
- https://cdn.sqhk.co/nepofigiper/ihib83l/offroad_car_simulator_3.pdfIn PDF document text
- http://wozilimesiz.mypressonline.com/0_1_knapsack_problem_using_dynamic_programming.pdfIn PDF document text
- https://wavurujubatebar.weebly.com/uploads/1/3/2/6/132682053/mageku-zutatikuwewe.pdfIn PDF document text
- https://cdn.sqhk.co/baresupujar/iEMjbhj/corky_duck_shoot_promo_code.pdfIn PDF document text
- https://dowamodugepaxa.weebly.com/uploads/1/3/0/7/130739159/2215323.pdfIn PDF document text
- http://realnoe-obshenie.online/coffee_break_germanv30ei.pdfIn PDF document text
- https://cdn.sqhk.co/takularozo/eshiWBW/hallmark_drama_tv_listings.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/9c53b814-de9b-432a-a932-5294b8a1d14d/wobosawexunikuvapuxisid.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ee6a630-a02c-49ae-ae44-eed0d2bde8d5/ashrae_handbook_fundamentals_2013_si.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc63e404-2438-48f6-8f35-74a6dad8b20e/gizmo_evolution_mutation_and_selection_answer_key.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d0fff73a-fef6-4f22-a27f-46689acb2465/spectrum_remote_guide_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ee74297d-2f6c-4064-ba9a-c40a0b9ab59a/a_discourse_on_inequality_penguin_classics.pdfIn PDF document text
- https://5090c2af-253d-40c3-bfb7-942fc6db26b0.filesusr.com/ugd/0511f5_e770015e70f24b5388e3aed2eae1b77c.pdf?index=trueIn PDF document text
- https://f3c4034a-4a94-4c47-b6c5-0445626d7bf8.filesusr.com/ugd/655f09_c8a20833152d46eb9a919c8760e4877d.pdf?index=trueIn PDF document text
- https://5de6e22f-064f-4859-b003-4eaa502c5056.filesusr.com/ugd/2609e6_fe08329822064732824899acaeb620c2.pdf?index=trueIn PDF document text
- https://27a83426-c768-4525-a63d-b5b732cca755.filesusr.com/ugd/28b3f7_97a631ac00dd46e3b6aad7fab1ef8e95.pdf?index=trueIn PDF document text
- https://d992f69e-bc5b-430a-92d7-abfd66d0380b.filesusr.com/ugd/6f7357_a95264e15460488693458af2b8857368.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_off0000e4de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4DE | 5644 bytes |
SHA-256: 762e156513e6cdffe6bbadb41707c7e6ef360869fd1f4401e0a3039864c49ca8 |
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font_01_sfnt_off0000f82e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF82E | 11072 bytes |
SHA-256: 60786a01d54934eb8b92bab36a0e4dcab43c7725a328f09b8ce293a55a8ff68d |
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