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 0.9967
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://golowaki.ru/strik?utm_term=diverticulitis+diet+patient+handout PDF link annotation
- https://cdn-cms.f-static.net/uploads/4454422/normal_600d6f579b0d3.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4476275/normal_60aff1b75956a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444353/normal_5ff4d186b527c.pdfIn PDF document text
- https://rulodewarozuw.weebly.com/uploads/1/3/4/6/134678260/81ad57939c92f1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451210/normal_5fe791c656dc6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4478378/normal_5fe33046023a6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462344/normal_6057abafc436e.pdfIn PDF document text
- https://mabaxezo.weebly.com/uploads/1/3/4/7/134766945/8968f9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375087/normal_5fd8e73b20b31.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457881/normal_606687b28a686.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449990/normal_6060391408c9d.pdfIn PDF document text
- https://fojakejozu.weebly.com/uploads/1/3/2/7/132712415/bidobakenesazi.pdfIn PDF document text
- https://lozoliso.weebly.com/uploads/1/3/4/7/134775557/sametakij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454966/normal_6067d113eeab0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408184/normal_6030e82d6acea.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459055/normal_5fff33e224f09.pdfIn PDF document text
- https://kizujaxaluw.weebly.com/uploads/1/3/4/3/134393650/rikabis_bilovijoxanalab_pujab.pdfIn PDF document text
- https://nitowapesapu.weebly.com/uploads/1/3/4/4/134442046/zogoxonadupitevanafo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453129/normal_5fc74ee8eff43.pdfIn PDF document text
- https://gepolurur.weebly.com/uploads/1/3/4/6/134610134/vevopamusud.pdfIn PDF document text
- https://nexonurobev.weebly.com/uploads/1/3/4/3/134371674/9df4ac56def300c.pdfIn PDF document text
- https://xufizigox.weebly.com/uploads/1/3/4/4/134479456/6ee0d0892b2891.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/1cd37b01-ea5b-43f2-96e0-3e4f63541dcd/air_force_1_pixel_desert_sand_for_sale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c5fee4ad-59d9-4a79-ac20-20f3fbf8c997/cubic_function_graph_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b901c08d-34e6-400d-8f7f-4a6a11ee68c3/11456981982.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c7deae85-527e-4f31-a2fc-81a13a8f3567/98996868135.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_off0000fde2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDE2 | 5220 bytes |
SHA-256: 47becf2bc7a06c416e3a079ff9448601eee075e2f15b0c8d7cde6071740c4494 |
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font_01_sfnt_off00010fa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FA7 | 11328 bytes |
SHA-256: 6a80cb3b5025ee04f3c22de3e24a879f838cafc7d880c0cf4717cb16925ba6ad |
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