MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains heuristics indicating it is a phishing or malicious document, specifically a "PDF_SEO_LINK_FARM" and "PDF_SEO_UTM_REDIRECTOR_LINK". The embedded URL `https://trafficel.ru/aws?utm_term=cosatto+wow+car+seat+manual` is presented as a lure for a car seat manual, but likely leads to a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://trafficel.ru/aws?utm_term=cosatto+wow+car+seat+manual PDF link annotation
- https://xogiwudib.weebly.com/uploads/1/3/4/7/134715522/vofusejiwapige_dupipuzudin_suxarovemeke_zafap.pdfIn PDF document text
- https://dojudiwoju.weebly.com/uploads/1/3/1/4/131406456/5631190.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365583/normal_5fa4af934ae80.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463825/normal_5fa6a9daeb4e3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/dobesogum/aop_full_form_in_law.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e7b9c056-2e5e-4cae-841c-ff74c17ab8dc/pokemon_character_creator_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b0588c0-61b2-4e75-b715-9b5e261066fd/77710806584.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/93f8dae4-9338-48ec-a4ee-ab64ce2fcfae/18945987809.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/da9ef6ef-520e-4496-9ad9-f6cb14ecf6ab/multiple_accounts_apk_indian.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c229b7c0-b336-4fe1-b3c1-135097eca522/california_driving_test_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/867f482f-8d56-401c-abd5-1c2fac998d2d/maneras_de_amar_libro_completo.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_off0001208e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1208E | 4944 bytes |
SHA-256: aa74a7da7e4c34dbff7264d0154d18cf7d9bb85c39fffbf74fafa0abbe11d987 |
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font_01_sfnt_off00013154.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13154 | 10696 bytes |
SHA-256: bff98258bf2e3d25147d1e286c08a516b1da9e4dcb770d12ef198c501bcdf417 |
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