MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many of which point to domains associated with SEO link farms. One critical heuristic identified a link to a known malicious redirector at `https://ttraff.com/pify?keyword=roman+jakobson+functions+of+language+pdf`. The document body, though heavily obfuscated, contains this URL and other PDF links, suggesting the primary purpose is to redirect the user to malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://ttraff.com/pify?keyword=roman+jakobson+functions+of+language+pdf In PDF document text
- http://fikanoteb.avatamsaka.ca/uploads/1/3/1/6/131606490/jefis_vewimenuse_wixevega_lifodizova.pdfIn PDF document text
- http://fuminajev.royalyogablissfield.com/uploads/1/3/0/7/130776487/bezamasaniru-jejefumuko-jogizapilog-daxebemenolawub.pdfIn PDF document text
- http://zojoginiz.icdeerlodge.org/uploads/1/3/1/8/131872225/9e2416ed2b10acc.pdfIn PDF document text
- http://files.stevescustomtattoos.com/uploads/1/3/1/8/131871745/f392d08.pdfIn PDF document text
- http://marima.klinepoodles.com/uploads/1/3/2/6/132682883/30192e998b41.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://cdn.shopify.com/s/files/1/0438/2726/5693/files/kitulorirumefalateta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6402/5493/files/car_engine_parts_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0077/4308/files/peranan_majlis_agama_islam_negeri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3134/6856/files/cours_sur_les_neurones.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zonixalekena.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9353/2573/files/tafelu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5258/9465/files/78565017627.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2380/9187/files/fijugagubiweb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6539/2804/files/55014984929.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/8601/5640/files/alchemy_rory_sutherland.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3724/5086/files/jajelowiwesanabipukivojos.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_off00009967.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9967 | 5548 bytes |
SHA-256: 3d49b33ffb41eae74ee16c554c9f57f9f729243aaa356a744d82a5e51b2a92bc |
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font_01_sfnt_off0000ac39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC39 | 10240 bytes |
SHA-256: 1ac64ad224444873ca42af35629a64574a8868a9c9360494f91e217c9a1fd5a9 |
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font_02_sfnt_off0000cf3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF3C | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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