MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which are SEO-optimized redirectors pointing to potentially malicious content. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' indicate a tactic to lure users with fake download opportunities. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
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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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://trafffe.ru/123?utm_term=i+hate+hamlet+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4453732/normal_5fbebd24e33d0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377377/normal_5fdde3ba7e27f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4452169/normal_5fde68c2d2d8a.pdfIn PDF document text
- https://dipitamadupod.weebly.com/uploads/1/3/4/8/134882687/nasivepem.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4492901/normal_5fc93621a8159.pdfIn PDF document text
- https://manoxumumaxu.weebly.com/uploads/1/3/4/4/134472756/bda6262b80.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478932/normal_5fdc6bc7ceb52.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387417/normal_5fac600489c78.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc0f4a62e34347c70445090/t/5fc170b53c6ccf69f394732c/1606512823123/download_tiger_zinda_hai_full_movie_hd.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc1079560f2895dc1e88f35/t/5fc59d7f61e25426e1f8fd31/1606786432964/sony_bravia_32_inch_tv_price.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc3d3f7084698658e709650/t/5fd16843071bbc68801d4f0c/1607559243938/xedefejirerakowekatexafa.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe2f976457125654049abe/1606299546492/14474549065.pdfIn PDF document text
- https://static1.squarespace.com/static/5fe0158af67c863bcd193198/t/5fe019786a6ad7222f41966e/1608522104665/difference_between_charismatic_leader_and_transformational_leader.pdfIn PDF document text
- https://static1.squarespace.com/static/5fdc7b6f43483e57e2cf12c2/t/5fdd1f7d4868181bbe794175/1608327037912/xifizurikokarox.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_off0000cfb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFB9 | 13184 bytes |
SHA-256: 02174ddc721c561bf89020e264f4c216340cccfd85d42eac327fd4087496dd1f |
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font_01_sfnt_off0000fa3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA3D | 4944 bytes |
SHA-256: 074f00a18664cdc590f7a0959edea7a14793725cff1cddc90a9cb7afecaa0c1c |
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font_02_sfnt_off00010aee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AEE | 10140 bytes |
SHA-256: ea1e22277a31bde0226216df7ee36f84406ece14016865afde92df090ec2c874 |
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