MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many of which are part of an SEO link farm designed to redirect users. One prominent redirector URL, 'https://zajinet.ru/strik?utm_term=blaupunkt+alarm+clock+radio', is identified as a lure for free downloads, likely leading to a phishing attempt. 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-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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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://zajinet.ru/strik?utm_term=blaupunkt+alarm+clock+radio PDF link annotation
- https://static.s123-cdn-static.com/uploads/4476577/normal_5ff0cdffbc3dd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376101/normal_5fda56582fc2f.pdfIn PDF document text
- https://noparerekum.weebly.com/uploads/1/3/4/6/134639333/a66c6257a258393.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380403/normal_5ffa71364297b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4458633/normal_6005daaf5b6b3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383340/normal_60030617eaca7.pdfIn PDF document text
- https://zivadufo.weebly.com/uploads/1/3/0/8/130874541/peboburiwakujinoxoru.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406202/normal_6033f2e64dae8.pdfIn PDF document text
- https://xegoratan.weebly.com/uploads/1/3/2/7/132712572/pevubewoja.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/jazuravazaguz/anywhere_you_go_song.pdfIn PDF document text
- https://s3.amazonaws.com/bejexe/vilamekowibovipewazakasot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9379ccb7-c87c-4865-bd10-69b61eaaaca9/ziririzaje.pdfIn PDF document text
- https://s3.amazonaws.com/budovewesekaz/63543260986.pdfIn PDF document text
- https://s3.amazonaws.com/guwutivupudutu/literary_terms_worksheet_high_school.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b00e0646-1cd5-450e-aaba-35423500f9e2/movimiento_rectilineo_variado_concepto.pdfIn PDF document text
- https://s3.amazonaws.com/nawosineromigi/classic_wow_leveling_guide_horde_undead.pdfIn PDF document text
- https://s3.amazonaws.com/wulotugadag/bugazopij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a85fea9-621d-4a7b-ac13-91a8edb3e93a/bemufanifumaferekigodob.pdfIn PDF document text
- https://s3.amazonaws.com/nigimul/how_to_make_a_good_rap_song_on_garageband.pdfIn PDF document text
- https://s3.amazonaws.com/lezerawe/essay_on_my_school_in_english.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_off0000d88e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD88E | 5156 bytes |
SHA-256: 1d77bb9d5386fcd23bf2a1d56e9d544788245e995cf7aea74deb4c93d41bb5a7 |
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font_01_sfnt_off0000ea00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA00 | 12600 bytes |
SHA-256: 4d8f08f6ae350e328055a8a0d27dc69228b2a8a818fcc93b293c54951895f6c4 |
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