MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. This suggests a link farm or SEO poisoning tactic to distribute malicious content. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/wb?keyword=pragmatic%20programmer%20design%20it%20pdf', reinforcing the lure. No scripts were extracted, but the primary attack pattern involves redirecting users 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.ru/wb?keyword=pragmatic%20programmer%20design%20it%20pdf In PDF document text
- http://degev.bmwclubulstersection.com/uploads/1/3/0/7/130738909/2472934.pdfIn PDF document text
- http://files.fccswimanddive.com/uploads/1/3/0/7/130776131/a917149571e8f2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2589/9421/files/68198102162.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6609/6806/files/31096970263.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3786/7687/files/ugk_international_players_anthem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9597/2256/files/mariah_carey_hero_video.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3020/8924/files/bamamuduzokaromumedamiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2168/9254/files/60152102694.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8758/4661/files/strength_of_materials_objective_type_questions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1202/1662/files/prot_paladin_stat_priority.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7208/6435/files/present_and_past_tenses_elementary_exercises.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2041/9226/files/57514896669.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0636/9697/files/georgia_driver_s_licence_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2549/7239/files/cinderella_3_full_movie.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7297/0133/files/72777858061.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9572/5982/files/fenumigogiwetiridu.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76DA | 5444 bytes |
SHA-256: f0ac8a39787eab68124c0af3db32bf1a74b50b72b7c0c942241b31794060197f |
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font_01_sfnt_off00008935.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8935 | 2072 bytes |
SHA-256: 39ff23a6dc67a31d236fda64b9ac1dc2c87c12abefb50033719a5f953acc7650 |
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font_02_sfnt_off000092e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92E4 | 10300 bytes |
SHA-256: 4bef244d81e7174adabc772db3f2aa08fcb8f6fb38de240e1946cad86eea99e9 |
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font_03_sfnt_off0000b649.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB649 | 17020 bytes |
SHA-256: 2b6805f30c6330d088b0dfb3deaa87ba9c6df6e9da473848b193cd2521195838 |
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