MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to 'ttraff.cc'. This indicates the document is designed to redirect users to malicious infrastructure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to improve search engine visibility for malicious content. The ML classifier also strongly flagged this PDF as malicious.
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.cc/pify?keyword=bizhub+c250+datasheet
- http://files.alphak-9designs.com/uploads/1/3/1/4/131406478/xikivakuge.pdf
- https://cdn.shopify.com/s/files/1/0429/7680/5023/files/59687371483.pdf
- https://cdn.shopify.com/s/files/1/0437/8358/5949/files/aterosclerosis_y_arteriosclerosis.pdf
- https://cdn.shopify.com/s/files/1/0428/5402/3327/files/pumusove.pdf
- https://cdn.shopify.com/s/files/1/0432/4563/3691/files/72745477431.pdf
- https://cdn.shopify.com/s/files/1/0447/7979/8679/files/flight_of_the_bumblebee_clarinet_solo.pdf
- https://cdn.shopify.com/s/files/1/0431/1613/4562/files/balsa_wood_plane_plans.pdf
- https://cdn.shopify.com/s/files/1/0437/6654/6583/files/puvixamivibajusakogufa.pdf
- https://cdn.shopify.com/s/files/1/0434/0491/8941/files/facebook_won_t_scroll.pdf
- https://cdn.shopify.com/s/files/1/0433/6399/1717/files/2178494761.pdf
- https://cdn.shopify.com/s/files/1/0431/7793/5005/files/kuduvabozoro.pdf
- https://cdn.shopify.com/s/files/1/0432/7358/4793/files/77373871246.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_off00005e38.bin7e3b59e48e0141a9c3d44f3c693558b0c3ef9e4eeacc565f1cdeefe0fad111e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E38 | 5200 bytes |
font_01_sfnt_off00006ffa.bin070545c0b6bfbab2bd0c429272c9931e1ded10646de8d12aacd4878ebc3dd941 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FFA | 10812 bytes |
font_02_sfnt_off0000947b.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x947B | 4324 bytes |
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