MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=byte+of+python+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0433/3705/6411/files/old_english_calligraphy_alphabet.pdf'. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the malicious URL.
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=byte+of+python+pdf
- http://files.licmotorsports.com/uploads/1/3/1/0/131071137/b633e3dc990aee9.pdf
- http://files.conesintheharbor.com/uploads/1/3/0/8/130874307/vavibevukuf_mefikerixaniz.pdf
- https://cdn.shopify.com/s/files/1/0433/3705/6411/files/old_english_calligraphy_alphabet.pdf
- https://cdn.shopify.com/s/files/1/0430/8402/1921/files/fumazepukesikefunoguzigu.pdf
- https://cdn.shopify.com/s/files/1/0429/1824/8601/files/79417346652.pdf
- https://cdn.shopify.com/s/files/1/0428/6211/7023/files/seramexijev.pdf
- https://cdn.shopify.com/s/files/1/0437/8545/3730/files/gst_act_with_latest_amendments.pdf
- https://cdn.shopify.com/s/files/1/0435/2396/5079/files/67289810816.pdf
- https://cdn.shopify.com/s/files/1/0428/5064/8223/files/wafuwefabetetere.pdf
- https://cdn.shopify.com/s/files/1/0428/1594/6911/files/fiseb.pdf
- https://cdn.shopify.com/s/files/1/0439/7491/8302/files/371755031.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000803a.bincba8ecee75686d44cfc0737fd9f3d8f621cde77f1130134c4debbba38622c060 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x803A | 4504 bytes |
font_01_sfnt_off00008f8c.bin621debb6c6819d68992be3ddc7c4ebdb7e2028a6a6690e1834fc4a2a7cf1406a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F8C | 10564 bytes |
font_02_sfnt_off0000b3ae.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3AE | 4324 bytes |
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