MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a redirector hosted on 'ttraff.ru' which is flagged as malicious. The document body, though heavily obfuscated, appears to contain the same URL and references to car manuals, suggesting a lure to a malicious site. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm designed to 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.ru/wb?keyword=transmission%20fluid%20change%20manual%20car
- http://files.readingthechinadream.com/uploads/1/3/1/0/131069887/kebekod.pdf
- http://files.mrlukewayne.com/uploads/1/3/0/7/130775429/b135ce.pdf
- http://files.habitualspender.com/uploads/1/3/1/4/131453348/sivoj.pdf
- http://files.dobwallsjuniorsfc.co.uk/uploads/1/3/1/3/131398143/vebuvobubaluxipoju.pdf
- http://ruzuxuxo.ahbuildingservices.com/uploads/1/3/0/7/130740051/5fae8730b40.pdf
- https://cdn.shopify.com/s/files/1/0432/4248/7972/files/32155702153.pdf
- https://cdn.shopify.com/s/files/1/0431/5453/8658/files/4608282591.pdf
- https://cdn.shopify.com/s/files/1/0431/0165/1105/files/how_to_add_artboards_in_illustrator.pdf
- https://cdn.shopify.com/s/files/1/0432/8180/9563/files/kurokekologutolewiludowix.pdf
- https://cdn.shopify.com/s/files/1/0432/0198/6723/files/85961776176.pdf
- https://cdn.shopify.com/s/files/1/0430/4227/5485/files/lifigefakixilotibox.pdf
- https://cdn.shopify.com/s/files/1/0429/8748/7385/files/66582178069.pdf
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/13126361084.pdf
- https://cdn.shopify.com/s/files/1/0436/2112/2211/files/jebotedesuveb.pdf
- https://cdn.shopify.com/s/files/1/0432/8918/2376/files/80298262883.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_off00008432.bin44b135a588bf61c35a27c8f762aac2e53057c800f4e4295356bf6b46d689727a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8432 | 5384 bytes |
font_01_sfnt_off0000964e.binfa2ff3ca5a311356d6649d6feba2b5b994d28e20b86c96760c1da6573eec43eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x964E | 10428 bytes |
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