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, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to redirect users to phishing or malware-hosting sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious document designed to lure users through deceptive content and external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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/strik?utm_term=glencoe+science+biology+textbook+answer+key PDF link annotation
- https://texerazijibegu.weebly.com/uploads/1/3/5/3/135302316/00481fef308.pdfIn PDF document text
- https://pudabesipewoz.weebly.com/uploads/1/3/0/9/130969441/1255305.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382962/normal_6064d6635f7ce.pdfIn PDF document text
- https://benixufo.weebly.com/uploads/1/3/4/6/134660079/tetadebe.pdfIn PDF document text
- https://tonuvufew.weebly.com/uploads/1/3/1/4/131438708/7936546.pdfIn PDF document text
- https://nasipowo.weebly.com/uploads/1/3/1/3/131383467/fejepewilutij_wanozititijo_tupawisev.pdfIn PDF document text
- https://vapatukubarokul.weebly.com/uploads/1/3/0/7/130739856/megakusazuwon.pdfIn PDF document text
- https://xufodikufidu.weebly.com/uploads/1/3/5/3/135382923/lixodivep.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367940/normal_6067f25f9d118.pdfIn PDF document text
- https://rafafokisot.weebly.com/uploads/1/3/4/7/134738004/zedonekoxase.pdfIn PDF document text
- https://fologonalufofu.weebly.com/uploads/1/3/4/6/134694067/5893665.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445869/normal_5fcff6361fb9f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422134/normal_5fee867f8b128.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4428069/normal_5fcd2e8d5a33a.pdfIn PDF document text
- https://fuzakeraza.weebly.com/uploads/1/3/4/8/134848422/3227924.pdfIn PDF document text
- https://gekibevuzoz.weebly.com/uploads/1/3/4/5/134503907/b7516fd2115f20a.pdfIn PDF document text
- https://fitinunajixir.weebly.com/uploads/1/3/1/6/131637477/sadina.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/32500144-14ed-48b5-911c-81ec6328b5d7/siranozal.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f9231399-4669-4fa5-8f63-1e3e8d92f025/17080851889.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/542f5e68-d3db-42ab-a9dc-4ffc425b1877/tamako_love_story_song_list.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e3ad08ef-788c-4ae2-a996-b11188739a47/73721559678.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f9d6c64-b522-4610-993f-e33a127c329d/el_pollo_loco_double_chicken_avocado_salad_with_dressing_calories.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_off0000f214.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF214 | 5464 bytes |
SHA-256: c04b23fee306c2065d27e5c0d1e49bd5ebfdef9cc649f77535c8dd0206f02c82 |
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font_01_sfnt_off000104e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E2 | 10248 bytes |
SHA-256: f3367e83e54d7d892b48a9d2acd283ebd3891a7c7065ba367c439be6de345d08 |
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