MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to redirectors and a link farm, suggesting a phishing or malware distribution scheme. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' indicate a tactic to disguise malicious links as legitimate downloads. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
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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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://kuzutuzo.ru/strik?utm_term=dave+ramsey+budget+spreadsheet+template PDF link annotation
- https://cdn.sqhk.co/puwipaneke/hWgicha/verbe_avoir_en_anglais_forme_negative_contracte.pdfIn PDF document text
- https://zawamobapuve.weebly.com/uploads/1/3/5/3/135383520/bipijate_xonakoxa_gusado.pdfIn PDF document text
- https://cdn.sqhk.co/wifopuzuxiba/hix1NpC/nasalogatori.pdfIn PDF document text
- https://kavisovilige.weebly.com/uploads/1/3/5/3/135308643/gaserakeret_lisurowedafawa_tagirag.pdfIn PDF document text
- https://lesezisuwo.weebly.com/uploads/1/3/4/1/134109364/5973546.pdfIn PDF document text
- https://vonojatu.weebly.com/uploads/1/3/4/7/134711894/486b4f444.pdfIn PDF document text
- https://cdn.sqhk.co/bijilixiger/7e7jijb/91339188410.pdfIn PDF document text
- https://fizemovumevomuf.weebly.com/uploads/1/3/4/4/134491325/suwebizofawu_nizebi.pdfIn PDF document text
- https://wegusolojemirub.weebly.com/uploads/1/3/4/5/134597015/54ce2cc2e5.pdfIn PDF document text
- https://cdn.sqhk.co/bafiweba/gj7zjb5/1682692382.pdfIn PDF document text
- https://cdn.sqhk.co/loganidob/dD0FalG/dog_pen_and_run_for_sale_uk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/mubefula/is_inductive_bible_study_good.pdfIn PDF document text
- https://s3.amazonaws.com/pibabopuduj/13097126671.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb814599-17f2-40a7-97b3-4b4d8c11f3b4/lopopubuganexune.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f4a5884-6469-45ab-b8a2-29b0c286ea5a/14900878682.pdfIn PDF document text
- https://s3.amazonaws.com/fulazelof/bbc_uktv_tv_guide.pdfIn PDF document text
- https://s3.amazonaws.com/jizubisetebof/21728829380.pdfIn PDF document text
- https://s3.amazonaws.com/vuraradaso/caltrans_traffic_report_san_diego.pdfIn PDF document text
- https://s3.amazonaws.com/mexijegedakol/tigida.pdfIn PDF document text
- https://s3.amazonaws.com/rufonali/marlin_60ss_.22.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8bce64a-57af-413c-8505-aa671c34ee2f/aqa_science_gcse_physics_textbook_answers_nelson_thornes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6b6cdd6-2aaa-4810-84a7-dfc9b5ad424d/47339461529.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c719238a-eef4-4820-9932-c807ccbc4a99/uke_tunes.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB46 | 5292 bytes |
SHA-256: 1c5c4e0253fb0ca8798272227fad3c54be0ee8ee089e58851c209171bc6c320d |
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font_01_sfnt_off0000fd51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD51 | 11484 bytes |
SHA-256: e1b3ce8b2b293bb8a0c9c2c26c2cf2deef0df1af4e5cd5d8795461d38a215e01 |
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font_02_sfnt_off0001243a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1243A | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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