MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious due to a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains the same redirector URL. The presence of numerous external PDF links, many pointing to benign Shopify domains, suggests a link farm or SEO poisoning tactic to distribute the malicious link. No scripts were extracted, and the primary malicious indicator is the embedded redirector 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.cc/wix?keyword=benefits+of+computerized+accounting+information+systems
- https://static.usrfiles.com/ugd/b8c837_1c40d98904134ebeb83011c833cda62f.pdf
- https://static.usrfiles.com/ugd/b8c837_1e91a634fb4d42afa64c2b9967012a9c.pdf
- https://static.usrfiles.com/ugd/921909_b114b607b88d495fbc2c8d0ec3271129.pdf
- https://cdn.shopify.com/s/files/1/0430/5331/8306/files/warhammer_40k_khorne_daemonkin_codex.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20745245188.pdf
- https://cdn.shopify.com/s/files/1/0437/9131/9201/files/call_aundi_full_hd_video_1080p.pdf
- https://cdn.shopify.com/s/files/1/0428/7974/6201/files/jeropimenamovaxatapudugov.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67257536452.pdf
- https://cdn.shopify.com/s/files/1/0431/2432/6564/files/zagobalilozaxe.pdf
- https://cdn.shopify.com/s/files/1/0437/8509/3272/files/59056730600.pdf
- https://static.usrfiles.com/ugd/03ae60_db2642f0a73f48989abedab7e8aced8e.pdf
- https://static.usrfiles.com/ugd/b8c837_d34944ebd7a840a1aca28e821e20bf63.pdf
- https://static.usrfiles.com/ugd/d94ae5_444cced8d538474d9b4e17d23c1ad97c.pdf
- https://static.usrfiles.com/ugd/c0fca2_08c534ee942548578ffeaef5ef075485.pdf
- https://static.usrfiles.com/ugd/9ff9b8_a9a774c9a44a43cda0b6d0e2ba4689e4.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_off00006838.binacc85bf51681cda1b8d1db85df7d94645900707fd9586ea84b8f60910af8c685 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6838 | 5644 bytes |
font_01_sfnt_off00007b70.bin4c5ef61b3d24e8129c67bfeff5a87545037941fbb38067238caf73416375fff8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B70 | 9844 bytes |
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