MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, identified as a link farm. Several heuristics indicate this is a malicious SEO tactic, with one critical heuristic flagging it as a phishing trojan. The embedded URLs suggest a potential redirection to malicious sites or content, aligning with spearphishing attachment tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://leonvi.ru/aws?utm_term=the+power+of+positive+thoughts+quotes PDF link annotation
- http://jusojixanona.getenjoyment.net/hp_designjet_5000_ink_cartridges.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456982/normal_601f94d873e16.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379217/normal_60287876b6edd.pdfIn PDF document text
- http://waxedeb.getenjoyment.net/44229146729.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403259/normal_602c54b439282.pdfIn PDF document text
- http://pasikufopubiwo.mypressonline.com/42615094791.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366358/normal_600daba68fae5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501054/normal_5fc6ae99da6e0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453741/normal_5fd376b1ddb8b.pdfIn PDF document text
- http://kawafopi.mygamesonline.org/natural_selection_lab_phet_simulation_worksheet_answers.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444636/normal_6035229fd4975.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388427/normal_5fe534d5a78a8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366957/normal_601f0e3d8e2ac.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/2595cd06-b255-46be-83ff-200a8c4c8b3c/sisefekodomit.pdfIn PDF document text
- https://746420f6-3007-491b-ba72-fd43be5094e5.filesusr.com/ugd/277b62_a7edee7e806c455abe4fc00ac65e7997.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cc84b227-7357-48db-a761-003f578601a5/rofozixedupewekazojovex.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6878a145-c872-4926-928f-050e96d99f47/jewuvibuzuzide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8bb090c9-78d9-4157-90df-e265b3436dc6/53556127009.pdfIn PDF document text
- https://054d5c26-596f-48a3-87a7-0fc79031e5db.filesusr.com/ugd/599026_31a1991658af466387a228eff589f3a6.pdf?index=trueIn PDF document text
- https://d52aed46-be45-4f9b-8106-cf6fc7ee66c0.filesusr.com/ugd/b148e5_7b8abe9ef8ed4f64baf548ea523c406c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/236a0715-c6e0-437a-9cde-8cbbe3265736/how_to_make_shadow_puppets_step_by_step.pdfIn PDF document text
- https://s3.amazonaws.com/poguvelefa/81616199930.pdfIn PDF document text
- https://s3.amazonaws.com/vinivuxo/2274642144.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_off0000f667.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF667 | 5148 bytes |
SHA-256: 07347d74c9732d4756b840ee62c4fad50bb98c35fca717f4ebc1b02684aaaab0 |
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font_01_sfnt_off00010800.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10800 | 10984 bytes |
SHA-256: 27de98c81213644d98a2135c869caffe2171c3bf48b1e18387b9e5f575b85efb |
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