MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, many of which point to a redirector service (ttraff.ru) and a link farm hosted on Shopify. This indicates a deliberate attempt to obscure the final destination and potentially distribute malicious content or conduct phishing. The ML classifier strongly supports the malicious nature of this PDF.
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=clp+holdings+limited+annual+report+2018
- http://files.wlcbands.com/uploads/1/3/1/6/131607712/2769e0d94.pdf
- http://files.portageresourceguide.com/uploads/1/3/1/6/131606644/8719065.pdf
- http://files.aauhawaii.org/uploads/1/3/1/0/131070442/ddbfb.pdf
- https://cdn.shopify.com/s/files/1/0430/1098/2041/files/dugitipuxe.pdf
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/91365529413.pdf
- https://cdn.shopify.com/s/files/1/0435/1524/8794/files/wuvab.pdf
- https://cdn.shopify.com/s/files/1/0427/5326/1724/files/jimixiwemimoxejuxeb.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gasowezigubufavowi.pdf
- https://cdn.shopify.com/s/files/1/0432/2865/9869/files/jirowigalodedebeba.pdf
- https://cdn.shopify.com/s/files/1/0428/9242/7430/files/kizeremezixa.pdf
- https://cdn.shopify.com/s/files/1/0434/6124/7138/files/96551143059.pdf
- https://cdn.shopify.com/s/files/1/0431/0115/9575/files/60337741298.pdf
- https://cdn.shopify.com/s/files/1/0433/7418/2563/files/33729022554.pdf
- https://cdn.shopify.com/s/files/1/0429/6730/2295/files/51050873940.pdf
- https://cdn.shopify.com/s/files/1/0430/5338/3833/files/ludegodipem.pdf
- https://cdn.shopify.com/s/files/1/0437/6382/6849/files/bedurifivugisevuxigurax.pdf
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/30397729892.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_off00005c80.bin2ded016769e0988ffaa3947220f8699bf6bf3fce61758a5b06165f4d8ebac4ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C80 | 5800 bytes |
font_01_sfnt_off0000700c.binc17a1b68e1e1453fd9170d02f85aac0fcd96ba2b605891ffa18e33b3af55688f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x700C | 10604 bytes |
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