MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a mass external PDF link farm, with multiple URLs pointing to disposable hosting services. The primary URL, 'https://leonvi.ru/strik?utm_term=an+american+experience+poisoner%2527s+handbook+video+questions+answers', suggests a lure related to search engine optimization or content farming. No scripts were extracted, but the PDF structure and numerous external links indicate a phishing or content distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://leonvi.ru/strik?utm_term=an+american+experience+poisoner%2527s+handbook+video+questions+answers PDF link annotation
- https://finazevad.weebly.com/uploads/1/3/0/7/130739247/e2250aa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379483/normal_6046c68c8524e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4464869/normal_5fe53009d3da3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404757/normal_6063f6dad636c.pdfIn PDF document text
- https://zenimuxen.weebly.com/uploads/1/3/4/3/134317926/gixukasofad_vivetapab_tugig_lojojezom.pdfIn PDF document text
- https://filofasifujutoz.weebly.com/uploads/1/3/0/8/130874575/485fb94448bf91.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484635/normal_6004e7d483f43.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373248/normal_5fe7784f33608.pdfIn PDF document text
- https://wopadutizibum.weebly.com/uploads/1/3/4/3/134306931/wizetukusuwi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373259/normal_6010c59ad5639.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445889/normal_606c94c48987c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413867/normal_602f275882be4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469631/normal_60619e99b8012.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501206/normal_606c05ce00b15.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411245/normal_602739ede86d4.pdfIn PDF document text
- https://tinutenuku.weebly.com/uploads/1/3/4/6/134664278/lilira.pdfIn PDF document text
- https://jozokuxig.weebly.com/uploads/1/3/2/8/132814463/63ad474f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377642/normal_5ff4ce838556d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451027/normal_605407041a9b4.pdfIn PDF document text
- https://notefusiwedamap.weebly.com/uploads/1/3/4/8/134872173/pesatezazikolago.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/537073f4-fe56-43e3-8e03-e19224263ca9/los_sims_3_mac_catalina.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/003251b3-0e8e-4627-b8c4-3e425e6c3219/official_summer_sport_of_canada_codycross.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/70c2d83c-f41a-40ce-9050-898da96d027d/19803157483.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eaf0ec92-76c1-4fd2-97bd-58e68d475cd3/zopaxinut.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_off0000e8cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8CC | 5852 bytes |
SHA-256: 263fbe70b3c2823ab68835a4a0a9064441825618efea94f0034cd0787ef7bb12 |
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font_01_sfnt_off0000fca0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA0 | 10900 bytes |
SHA-256: f4c4f8fd2ded78ef9b79813477b4b2e7aacc862cae21dcfe143c4e8a63b29904 |
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