MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with a critical heuristic identifying it as a link farm. One prominent URL, 'https://trafffi.ru/123?utm_term=one+piece+whitebeard', is identified as an SEO redirector, suggesting a phishing or malware distribution lure. The ClamAV detection and ML classifier further support its malicious nature, indicating a phishing or trojan payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://trafffi.ru/123?utm_term=one+piece+whitebeard PDF link annotation
- https://jifurutirijiguj.weebly.com/uploads/1/3/4/5/134528482/kibizefi-pojirenu-zepew-kaborafuvaw.pdfIn PDF document text
- https://xurigatunirefor.weebly.com/uploads/1/3/4/6/134635133/bojol_jetat_pufen_tedovidemunozo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379837/normal_5f9ecf4bccfdb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451542/normal_5fa5a76db1223.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/digigitusuduk/lesson_23_homework_4.5_answers.pdfIn PDF document text
- https://s3.amazonaws.com/tawosutosuxi/bapco_sysmark_2014_overall_performance.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e16e6f13-133c-43fd-bb1c-2bb06cd309b4/92794924175.pdfIn PDF document text
- https://s3.amazonaws.com/takurugilij/fill_in_the_blank_stories_online.pdfIn PDF document text
- https://s3.amazonaws.com/duzexefemosaxe/pet_fox_for_sale_in_kansas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0d67c4fd-2760-46c2-820b-5cc81b1abc52/tusiwudenabagazemubop.pdfIn PDF document text
- https://s3.amazonaws.com/jivala/85785577413.pdfIn PDF document text
- https://s3.amazonaws.com/tarizirefevifab/free_antivirus_smadav_terbaik_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b0cc4c8-3400-4d40-8c93-e89d1919769b/74961754437.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_off0001c2fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C2FD | 4744 bytes |
SHA-256: 3feb13fa83d9d5af1afcd5050168dd13a208bdfaedc0caac2212f0900b85c16a |
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font_01_sfnt_off0001d393.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D393 | 5212 bytes |
SHA-256: 47fe71eda8cf32f9cb4421a43bd2d73e2bc0ae63504b4d4d91cc9cf5f6e0ea59 |
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font_02_sfnt_off0001e54b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E54B | 11336 bytes |
SHA-256: e28d466cd2c4b8d7fa67f40715e532ae945c6cfb2984cdba6f4aa6948479383e |
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