MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, with a critical heuristic identifying it as a PDF SEO link farm. One prominent URL, 'https://trafftec.ru/123?utm_term=planet+of+the+apes+characters+names', is flagged as a redirector, suggesting a phishing or malware distribution attempt. The ML classifier also strongly indicates maliciousness. No scripts were extracted, but the overall structure points to a malicious document designed to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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://trafftec.ru/123?utm_term=planet+of+the+apes+characters+names PDF link annotation
- https://tenaxegib.weebly.com/uploads/1/3/4/5/134583113/2589228.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449193/normal_5fabfa5c0fbb1.pdfIn PDF document text
- https://niwejeru.weebly.com/uploads/1/3/4/3/134308800/nixitegilamije.pdfIn PDF document text
- https://xumabilere.weebly.com/uploads/1/3/1/1/131163638/1c638f.pdfIn PDF document text
- https://tazeviguso.weebly.com/uploads/1/3/4/3/134339516/jonopasokerexe.pdfIn PDF document text
- https://vetovevigu.weebly.com/uploads/1/3/4/4/134486276/6641822.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://uploads.strikinglycdn.com/files/53aa4c4c-8420-4b44-bde7-928a2f092e5a/the_dc_comics_guide_to_pencilling_comics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/429a461f-879e-4299-bf13-6beae850d8b6/86805913564.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/87736278-a9c5-4913-87a5-99f214e85ea8/hunter_welly_socks_size_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74075dca-d946-4b77-b0c8-2f94f01c594c/vupog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/719b6300-d652-4c38-bee0-7a3d6e2d0755/33519015734.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_off0000d4ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4AB | 4996 bytes |
SHA-256: 7e5ac11237af3503b8c4ba5ec97d90d56e897f29dc0e8f43c32042b89a4f7937 |
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font_01_sfnt_off0000e571.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE571 | 10524 bytes |
SHA-256: 6b63e28e6d956703287a28401bb97ea7b7bfe465c85a1e36ec4b871384663189 |
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font_02_sfnt_off0001093c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1093C | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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