MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links designed to appear as a free download for antivirus software, but they redirect to a malicious link farm hosted at ttraff.ru. The ML classifier strongly indicates maliciousness, and the PDF structure itself is flagged for containing a mass external link farm, suggesting a phishing or scam attempt. No scripts were extracted, but the embedded links are the primary vector for malicious redirection.
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/pify?keyword=antivirus+software+for+dell+laptop+free In PDF document text
- http://files.blisstravelservice.com/uploads/1/3/1/3/131398322/pedosimexa.pdfIn PDF document text
- http://files.rosalindmbunting.com/uploads/1/3/0/8/130813108/36e09b.pdfIn PDF document text
- http://files.themoveablechurch.org/uploads/1/3/0/8/130874128/9175303.pdfIn PDF document text
- http://files.frugalalien.com/uploads/1/3/1/6/131636984/2432936.pdfIn PDF document text
- http://files.creativestudio23.com/uploads/1/3/0/7/130738850/jonurisaf-tekodex.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/1/0430/4686/3005/files/65987673535.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8693/0329/files/14228443714.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4749/4567/files/zofimamerovor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0174/1463/files/84333242908.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8451/3440/files/71085222942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52733892229.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3151/7605/files/disirewetixedereweva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jujirufevob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3940/7784/files/94139053324.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3857/1670/files/lorisovobenawupuguduf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9679/1456/files/6692466386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2761/1300/files/luxemajosufujoperovan.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cd3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD3D | 5060 bytes |
SHA-256: c0d5ce13e0bc36de8ffe95011e574b53e3b36079a7b267b0b711df798198eb39 |
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font_01_sfnt_off0000de95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE95 | 15208 bytes |
SHA-256: 9fd0a26008a626d360fcd45b762af0008104ca4ccff91a65f1babc104c5233b2 |
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font_02_sfnt_off00010872.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10872 | 16676 bytes |
SHA-256: d77431ffcec76c53e2acc6032ab1d0df62c7c1a177bf5e0adc8611ab18be8cd3 |
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