MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, disguised as a tutorial. The document body, though heavily obfuscated, contains this URL and numerous other links to Shopify-hosted PDFs, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful 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.com/pify?keyword=vue+js+tutorialspoint+pdf
- http://files.pusatbazaar.com/uploads/1/3/0/7/130738569/7775537.pdf
- http://files.extraontop.com/uploads/1/3/2/6/132681229/9e9297b1.pdf
- http://files.counterviolenceusa.com/uploads/1/3/1/3/131398054/899147.pdf
- https://cdn.shopify.com/s/files/1/0432/8207/1716/files/26237315173.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12457093378.pdf
- https://cdn.shopify.com/s/files/1/0430/8012/2532/files/79073828888.pdf
- https://cdn.shopify.com/s/files/1/0430/9850/5369/files/40195097527.pdf
- https://cdn.shopify.com/s/files/1/0447/8281/3341/files/adobe_audition_tutorial_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0430/8808/5145/files/13081239411.pdf
- https://cdn.shopify.com/s/files/1/0430/3486/9921/files/28301338460.pdf
- https://cdn.shopify.com/s/files/1/0433/5425/9606/files/25538878034.pdf
- https://cdn.shopify.com/s/files/1/0429/5717/6986/files/42652279033.pdf
- https://cdn.shopify.com/s/files/1/0429/6825/2565/files/2121871249.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f7c.bin8aea5ef8dc9455cba8e877aa53ea37d4c0c8dd043683475e3d0ae9d0f45a5f92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F7C | 4956 bytes |
font_01_sfnt_off00007069.bine00141b96ad0c6aa9295e08288fa1a01b0eba26ef861b801d41624add0f7c478 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7069 | 15404 bytes |
font_02_sfnt_off0000a00e.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA00E | 4324 bytes |
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