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 0.9997
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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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://crewmak.ru/pbw?utm_term=hsv+eraser+really+work PDF link annotation
- https://cdn-cms.f-static.net/uploads/4388177/normal_5fd13547dfd17.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404108/normal_60327a8613da6.pdfIn PDF document text
- https://wutikivefuripiz.weebly.com/uploads/1/3/4/6/134662644/muzaxuraka_fivomegolasan_xukobi_rafedel.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450640/normal_6009ff6a98010.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417414/normal_600f4ae7af258.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448337/normal_5fe4fee643e43.pdfIn PDF document text
- https://febujexiliwe.weebly.com/uploads/1/3/3/9/133986913/biporuxakos.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369633/normal_6061a8e19fd5d.pdfIn PDF document text
- https://wexikapej.weebly.com/uploads/1/3/0/8/130874413/815d5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425726/normal_5ffb1a0a4ac81.pdfIn PDF document text
- https://balalowomave.weebly.com/uploads/1/3/0/7/130738893/9030034.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://bupataved.pbworks.com/f/kefubewaduzabetadijo.pdfIn PDF document text
- http://nilanom.pbworks.com/f/87019618745.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2db9d726-a762-474e-ac0b-3039e9fe0e91/nufukasugagefatifokaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/04b123c9-a7ce-48ea-8fbb-8575d71e6e20/merchant_navy_3rd_engineer_jobs.pdfIn PDF document text
- http://gulisapil.pbworks.com/f/85388950070.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/621c118d-2b35-42cf-9b7a-022e1e7258e5/biological_psychology_perspective_on_aggression.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75ca1c14-fc2e-46e7-915b-42cd8c86d281/nuriwig.pdfIn PDF document text
- http://lugozamuxika.pbworks.com/f/22455783643.pdfIn PDF document text
- http://mumubib.pbworks.com/f/secondary_1_conditional_statements_worksheet_answer_key.pdfIn PDF document text
- http://lipadune.pbworks.com/w/file/fetch/144414207/rofosibakiwejojidopuwa.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_off0000e8b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B9 | 4960 bytes |
SHA-256: cdc148405c5555c90417d48e9ace8cded080a9d9e08000e5353030c1da8f2412 |
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font_01_sfnt_off0000f9be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9BE | 10664 bytes |
SHA-256: 1588031676498782f64bd49b4cacbea055530759865d5d464e5a52ed60dbc5af |
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