MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=linus+tech+tips+net+worth', suggesting an attempt to obscure the true malicious destination. Another critical heuristic indicated a PDF link farm, with many links pointing to Shopify domains, likely as a tactic to distribute malicious content or engage in SEO abuse.
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=linus+tech+tips+net+worth
- http://files.kmphotographyma.com/uploads/1/3/1/4/131407165/1126974.pdf
- http://files.jamestingey.com/uploads/1/3/1/3/131398184/7703830.pdf
- http://files.christinecarson.net/uploads/1/3/1/4/131408204/dda0b205c.pdf
- http://files.dursleymalechoir.org.uk/uploads/1/3/0/7/130738484/vewefuga.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kewosa.pdf
- https://cdn.shopify.com/s/files/1/0434/3581/9173/files/79515302323.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/9467339244.pdf
- https://cdn.shopify.com/s/files/1/0427/6623/7852/files/59845797741.pdf
- https://cdn.shopify.com/s/files/1/0429/2670/2755/files/74774951183.pdf
- https://cdn.shopify.com/s/files/1/0433/6871/0309/files/bepedivawivikaxodikofop.pdf
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/wujuvuzagenubibalumudiz.pdf
- https://cdn.shopify.com/s/files/1/0430/8356/3162/files/6390220106.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rowogumidakedodovejizana.pdf
- https://cdn.shopify.com/s/files/1/0436/1024/3229/files/jasan.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_off00006524.bin55401a8a396b4b8831581e6e550e11299003c14250f4b3292e3ef5362e48e823 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6524 | 4812 bytes |
font_01_sfnt_off00007597.binb70c7eaa3adb32aadd4e21d9ec47233d3f264eb4e38870ba9d62b8818332716f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7597 | 11000 bytes |
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