MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains this URL and appears to be a lure related to 'plastic plating process'. The presence of numerous other links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content. 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/wb?keyword=plastic%20plating%20process%20pdf
- http://files.anzterriers.com/uploads/1/3/2/6/132681209/9886041.pdf
- http://files.permitsfl.com/uploads/1/3/1/4/131454560/d650b129e25.pdf
- http://files.mounttaborbaseball.com/uploads/1/3/0/8/130813982/9700333.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4969/files/91436341045.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nejoxalivivurotuzepebibus.pdf
- https://cdn.shopify.com/s/files/1/0439/0263/2104/files/que_es_la_angiogenesis_pdf.pdf
- https://cdn.shopify.com/s/files/1/0433/6871/0309/files/53298667186.pdf
- https://cdn.shopify.com/s/files/1/0433/6893/9672/files/4053599924.pdf
- https://cdn.shopify.com/s/files/1/0447/7832/4117/files/is_gangstar_vegas_offline.pdf
- https://cdn.shopify.com/s/files/1/0441/1038/1208/files/resume_for_grad_school.pdf
- https://cdn.shopify.com/s/files/1/0429/6255/0940/files/9983825509.pdf
- https://cdn.shopify.com/s/files/1/0433/6045/2760/files/tikijisekakibuxawuvol.pdf
- https://cdn.shopify.com/s/files/1/0432/5736/4638/files/mugajari.pdf
- https://cdn.shopify.com/s/files/1/0429/9980/8149/files/99654261926.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_off00009b6c.bin970d5532db6345dbf75f62a1fbdc848fcdb03be51f39d339d0eda712f2dbf9d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B6C | 5324 bytes |
font_01_sfnt_off0000ad95.bin80289af69dbcf98c075b06627576a2874fa72b671e5b6c2b42291669bdb5aedf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD95 | 10620 bytes |
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