MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.ru) which is flagged as malicious. The document body, though heavily obfuscated, contains URLs that appear to be part of a link farm designed to lure users. The ML classifier strongly indicates maliciousness, and the overall structure suggests a phishing or malware distribution attempt.
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=vaishnava+agamas+pdf In PDF document text
- http://kitaw.womansclubofpowhatan.org/uploads/1/3/1/3/131398091/335632.pdfIn PDF document text
- http://files.hydrelief.com/uploads/1/3/1/4/131452989/sanulisakavub.pdfIn PDF document text
- http://files.kjvfaith.com/uploads/1/3/1/1/131163533/6750267.pdfIn PDF document text
- http://files.kazmetixartistry.com/uploads/1/3/1/3/131380728/duduxoval.pdfIn PDF document text
- http://files.twelve2outdoors.com/uploads/1/3/0/7/130740053/7f71d1b52415b54.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0918/7750/files/vaduvemagutifek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9291/1007/files/vogovopesifab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1097/3083/files/18826812641.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5788/8932/files/bragg_vegetarian_health_recipes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4960/7590/files/pojumo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9356/6364/files/18508079735.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6710/3645/files/97176791687.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6251/0236/files/56987902114.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4445/4051/files/41132955633.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6863/4789/files/35026472888.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8089/8973/files/46110656018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3127/2351/files/489545174.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5197/3794/files/13860729352.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6750/6841/files/11334027246.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_off0000668e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x668E | 5352 bytes |
SHA-256: 3e2f2f52d96672194dacda863a46c1f1a4d1fbf656b8e3b1f7443e8a7498228e |
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font_01_sfnt_off000078b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78B1 | 9952 bytes |
SHA-256: b7aff2fbdd92d1736bbdac7661a06bbe6f1b29bfbcda1d1580eea01b785b4aa4 |
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font_02_sfnt_off00009aa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AA1 | 2644 bytes |
SHA-256: 12c7bdadd4a86fd2e136cc0c1e159dab2546da0b965bbb3f659076fa60b8678f |
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