MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.me/pify?keyword=audio+note+app, which is likely used to redirect users to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to obscure the ultimate destination and potentially improve search engine ranking for 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.me/pify?keyword=audio+note+app
- https://cdn.shopify.com/s/files/1/0428/3426/4231/files/46960383965.pdf
- https://cdn.shopify.com/s/files/1/0429/2087/0044/files/traducir_de_aleman_a_espaol_gratis.pdf
- https://cdn.shopify.com/s/files/1/0434/7278/1478/files/cae_exam_papers_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0440/6195/0117/files/visemubobojujewaxibetub.pdf
- https://cdn.shopify.com/s/files/1/0432/2010/7424/files/45878450503.pdf
- https://cdn.shopify.com/s/files/1/0438/2267/8173/files/mujegel.pdf
- https://static.usrfiles.com/ugd/ef253e_ed7a08cfa5c645dd9499145085ce1499.pdf
- https://static.usrfiles.com/ugd/b42fd6_027536b7e0f34c598b0bbb866100d7b0.pdf
- https://static.usrfiles.com/ugd/510691_fc8e6c418e334738b564021bc305c414.pdf
- https://static.usrfiles.com/ugd/d8e941_085267af97e54c61868aed18a3bbc649.pdf
- https://static.usrfiles.com/ugd/4c76bf_acd314b33cc74cc4b1375be0b1d09964.pdf
- https://static.usrfiles.com/ugd/6d59ab_4ad6051e599c41cba0ee5dc698d55932.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_off000066d9.bin6b70acada656e91eb3ff6dd5d5ea251355ea44d1d93a6d47cac6ddb3169397fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66D9 | 4636 bytes |
font_01_sfnt_off000076b2.binf1585c58d2f309000bf8254721e1cbb50418dfe99847c8a987a13368ab993de0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76B2 | 10352 bytes |
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