MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=bobbin+lace+patterns+pdf, which is likely used to obscure the final malicious destination. The presence of a large link farm suggests an attempt to manipulate search engine results or distribute malicious content through seemingly benign documents. The ML classifier also strongly indicated maliciousness.
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=bobbin+lace+patterns+pdf
- http://files.saltysirentradingco.org/uploads/1/3/0/7/130739951/7102795.pdf
- http://files.jonathanmitchell.co.uk/uploads/1/3/1/3/131381900/6138922.pdf
- http://files.kinesiologyandcounselling.com/uploads/1/3/0/7/130775786/jufile-tomij.pdf
- https://cdn.shopify.com/s/files/1/0436/2380/9187/files/36665251747.pdf
- https://cdn.shopify.com/s/files/1/0447/3529/9738/files/blackstone_real_estate_fund.pdf
- https://cdn.shopify.com/s/files/1/0440/7777/7061/files/apes_textbook.pdf
- https://cdn.shopify.com/s/files/1/0432/9432/6949/files/11253987654.pdf
- https://cdn.shopify.com/s/files/1/0433/2044/3045/files/89159389676.pdf
- https://cdn.shopify.com/s/files/1/0433/5792/9623/files/final_fantasy_14_act.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84302935330.pdf
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/67928719068.pdf
- https://cdn.shopify.com/s/files/1/0433/8191/5798/files/jaxuxetebexurata.pdf
- https://cdn.shopify.com/s/files/1/0433/0917/0856/files/50562731522.pdf
- https://cdn.shopify.com/s/files/1/0440/8115/2152/files/leetcode_number_of_islands.pdf
- https://cdn.shopify.com/s/files/1/0430/3385/4101/files/45941814604.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_off000072d4.bin2f6158aad7f128819e57febc8d9952cab8b37ab86e3ebc5f0c4caeffc8181070 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72D4 | 5336 bytes |
font_01_sfnt_off00008504.bin6f162f45d914a18edebdd65a8b2daa21f5bbd3879c0519b9823e189c632c18ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8504 | 11080 bytes |
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