MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with the primary link pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=billiards+rules+pdf' and numerous other Shopify-hosted PDF links, suggesting a link farm or SEO poisoning attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=billiards+rules+pdf
- http://files.southboundgsmdc.org/uploads/1/3/0/8/130874264/5691065.pdf
- http://files.livingyourbestidlife.com/uploads/1/3/2/7/132710780/burevojotovofiwofu.pdf
- http://files.lusage.org/uploads/1/3/1/4/131437567/wuxafodevobavo.pdf
- https://cdn.shopify.com/s/files/1/0430/6819/4978/files/37847695281.pdf
- https://cdn.shopify.com/s/files/1/0428/0057/8723/files/54285504366.pdf
- https://cdn.shopify.com/s/files/1/0433/6471/2599/files/deliberao_arsesp_732.pdf
- https://cdn.shopify.com/s/files/1/0429/2640/7833/files/trigonometry_tenth_edition.pdf
- https://cdn.shopify.com/s/files/1/0432/8341/5204/files/77088691484.pdf
- https://cdn.shopify.com/s/files/1/0435/6902/1089/files/blocked_tear_duct_massage.pdf
- https://cdn.shopify.com/s/files/1/0437/9649/6544/files/dinuwozejizax.pdf
- https://cdn.shopify.com/s/files/1/0430/9821/0461/files/fimejamox.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nuruge.pdf
- https://cdn.shopify.com/s/files/1/0437/3482/7162/files/biophysics_lecture_notes.pdf
- https://cdn.shopify.com/s/files/1/0432/0821/2638/files/60407974326.pdf
- https://cdn.shopify.com/s/files/1/0429/6481/1927/files/99703166032.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008d2b.bin9ef97a13b604a9567231d7dba771a502d224733ba72559fc533277c1c863b55f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D2B | 5084 bytes |
font_01_sfnt_off00009e87.binbb1080da86bc47d552f67e3fd79eadb2bb464f3d9649ec02553bd7debce57991 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E87 | 10024 bytes |
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