MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by both a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristics indicate it functions as a link farm, directing users to multiple external PDFs, one of which is hosted on a disposable domain. The presence of embedded URLs and the overall structure suggest a phishing or malware distribution attempt, likely using a spearphishing attachment vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://laborke.ru/pbw?utm_term=class+b+gi+pipe+price PDF link annotation
- https://cdn-cms.f-static.net/uploads/4476446/normal_604a4c2089692.pdfIn PDF document text
- https://povoligijiz.weebly.com/uploads/1/3/4/6/134665243/b5414f57.pdfIn PDF document text
- https://vobodida.weebly.com/uploads/1/3/4/7/134716614/f61a2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391599/normal_601860ffc0c94.pdfIn PDF document text
- https://teditiwos.weebly.com/uploads/1/3/2/6/132681477/5744022.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409606/normal_5fe84e0fa8226.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469374/normal_5fcc9cf628fa0.pdfIn PDF document text
- https://wipabobape.weebly.com/uploads/1/3/5/9/135985954/63c60019f3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423195/normal_60356c8e271e3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478923/normal_6045c6afefb09.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415052/normal_6017a30788f85.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476288/normal_60bc06811ae9e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379626/normal_5fdc5415963c2.pdfIn PDF document text
- https://mumoporexebaxuz.weebly.com/uploads/1/3/4/3/134339912/8834769.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/f75f9601-54ea-4e47-95b2-8c0d036bf1b9/how_to_run_xforce_keygen_on_mac_big_sur.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff62acd4-7a71-4905-906a-07bb2b607694/utilitech_sump_pump_wont_turn_off.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/efb8999f-7059-42d8-84f0-8c979f8bcf93/7490423431.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8263ac50-776d-479b-8015-47fed3fb5134/74915320219.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba0eb0f1-0c1f-4b7f-aab8-15aad8d70f94/a_speakers_guidebook_by_dan_ohair_6th_edition.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_off0000f0ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0CA | 5144 bytes |
SHA-256: 18bf15285095a78fc037afcd43caf3080a13a088b9d2e2081f01061f68189ae8 |
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font_01_sfnt_off00010253.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10253 | 11212 bytes |
SHA-256: 7eeaa7341a70f51443c49d06894b49c97a66af05cfb29ecfe386d20789ce9d16 |
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