MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded URLs, many pointing to Shopify domains, which is characteristic of SEO poisoning or link farm techniques. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is likely the primary malicious payload delivery mechanism. The ML classifier strongly indicated maliciousness, supporting the assessment of a malicious redirector.
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.com/pify?keyword=bsp+and+bsw+thread+chart+pdf
- http://files.artofbriannakenney.com/uploads/1/3/0/8/130874110/1261170.pdf
- http://files.encorect.org/uploads/1/3/0/9/130968961/podoxelosa.pdf
- http://nitufemo.kathshiatsu.co.uk/uploads/1/3/0/7/130776394/f2a00d64.pdf
- http://files.reformationocconference.com/uploads/1/3/1/6/131637529/kewifexakasawizufu.pdf
- http://files.foothealthpractice.com/uploads/1/3/1/0/131070597/6b7e6187a.pdf
- https://cdn.shopify.com/s/files/1/0429/7192/2591/files/ruvafaxivuwizatim.pdf
- https://cdn.shopify.com/s/files/1/0433/3908/8027/files/grand_central_terminal_map.pdf
- https://cdn.shopify.com/s/files/1/0440/1407/6069/files/mhgu_insect_glaive.pdf
- https://cdn.shopify.com/s/files/1/0434/4571/5109/files/nafovekizazor.pdf
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/5440949933.pdf
- https://cdn.shopify.com/s/files/1/0434/5616/8093/files/9668277228.pdf
- https://cdn.shopify.com/s/files/1/0431/8475/0743/files/52927431448.pdf
- https://cdn.shopify.com/s/files/1/0433/2906/1014/files/wilumojuzidopote.pdf
- https://cdn.shopify.com/s/files/1/0434/7274/8709/files/42538257445.pdf
- https://cdn.shopify.com/s/files/1/0430/0839/3369/files/pukovaxutekenumin.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_off00004ea1.bin1542a697fd1ca1965ebb3a1e61c64d6bc9766a78078eaa0f5383c2b4d7fda539 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4EA1 | 5492 bytes |
font_01_sfnt_off0000615d.bin150fa79dc36b82136a1040e3a045a8b2788bb2a6b815d60f108d5dae581faaf2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x615D | 10052 bytes |
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