MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, with a critical heuristic identifying it as a link farm. One of the primary external URIs, 'https://botokaw.ru/strik?utm_term=ciudad+de+papel+resumen+del+libro', suggests a potential phishing or SEO manipulation tactic. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious classification, indicating the document is designed to lead users to harmful content.
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://botokaw.ru/strik?utm_term=ciudad+de+papel+resumen+del+libro PDF link annotation
- https://static.s123-cdn-static.com/uploads/4460983/normal_5fe5fe0d7c8b7.pdfIn PDF document text
- https://cdn.sqhk.co/surodamiz/hhJsmgf/mountain_bike_frame_size_chart_inches.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412599/normal_5fe027538370f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4497110/normal_60044e92b6fc6.pdfIn PDF document text
- https://cdn.sqhk.co/vobevufubito/jeighep/64488461201.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485702/normal_60344d4f3ba7d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://46ebecaa-9490-439b-bba6-ee77f1a6ca93.filesusr.com/ugd/cee8a1_f6a8bde7fae94a02ac9bb572786184e7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e691f966-bb1f-4241-b807-b4ad34db8a99/22187893748.pdfIn PDF document text
- https://d0fd22f1-78bd-4368-960d-2a324028b2bb.filesusr.com/ugd/a4d998_f837f2def47f4442a558692a133ae426.pdf?index=trueIn PDF document text
- https://8767aa75-4bd5-48c0-94ca-24e983238001.filesusr.com/ugd/debdc1_5d363830faf44afdaddeb10075af3dee.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5110ed6d-4b02-4c5e-9151-f7cfcedabbc4/24009572117.pdfIn PDF document text
- https://abbf68a8-5b21-4996-91be-11266bd273ed.filesusr.com/ugd/9374a7_97654392fbbf4ec5825117519bc9ca03.pdf?index=trueIn PDF document text
- https://469ee322-798e-4c1d-9571-af6764901f97.filesusr.com/ugd/57169b_bb699a28b8ca495fba754f4206eece7d.pdf?index=trueIn PDF document text
- http://pinamagowejut.epizy.com/kenenabuxapegonedobudesut.pdfIn PDF document text
- https://b20aee1f-b1b7-4e4e-be5e-d884e4ece670.filesusr.com/ugd/10e3af_5f482303c86443088aba81a4b200b393.pdf?index=trueIn PDF document text
- http://nogevas.epizy.com/norman_nise_control_systems_engineering.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/221ef485-21e6-4b56-85d9-72eeafcbb6dd/dogorexukalifadewol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9fba4e0-a38c-48ff-bb47-34754a30d61e/6177412986.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_off00010be9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BE9 | 5148 bytes |
SHA-256: 5dcda2165ad433e0899bf30b1009b0c4e704d903eb2020990ce0f10d0f581ac1 |
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font_01_sfnt_off00011d42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D42 | 11920 bytes |
SHA-256: d3b391a76201f70abc1f224c61146fb625d493039e7c4c739ba2f363ec7b3ae1 |
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