MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains, but some to unknown or potentially malicious hosts. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=buckling+of+columns+solved+examples+pdf', reinforcing the malicious redirector finding. The ML classifier also strongly indicated maliciousness.
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=buckling+of+columns+solved+examples+pdf
- http://vunenuse.hollyreynoldsart.com/uploads/1/3/1/0/131071157/difopivububak.pdf
- http://files.ezkennel.com/uploads/1/3/1/1/131164039/4571276.pdf
- http://files.lwvchampaigncounty.org/uploads/1/3/2/3/132302768/5760672.pdf
- https://cdn.shopify.com/s/files/1/0437/8837/0077/files/55588605760.pdf
- https://cdn.shopify.com/s/files/1/0430/0944/1953/files/leluvub.pdf
- https://cdn.shopify.com/s/files/1/0431/3497/6149/files/riwadefafof.pdf
- https://cdn.shopify.com/s/files/1/0434/3431/1845/files/55346641364.pdf
- https://cdn.shopify.com/s/files/1/0436/0637/6611/files/evgeni_malkin_contract.pdf
- https://cdn.shopify.com/s/files/1/0432/5448/1056/files/nukewesitedavibolagajud.pdf
- https://cdn.shopify.com/s/files/1/0436/3943/9510/files/xapuraxomi.pdf
- https://cdn.shopify.com/s/files/1/0430/8205/5842/files/lilepopedino.pdf
- https://cdn.shopify.com/s/files/1/0434/7101/2006/files/bohemian_rhapsody_guitar_solo.pdf
- https://cdn.shopify.com/s/files/1/0433/6769/4501/files/83751297579.pdf
- https://cdn.shopify.com/s/files/1/0428/7266/8319/files/fadupakatawinebulo.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_off00006c71.bin73aa1f63a756612d90b372ae23c62602851222dea026aca2f4a67bdf29022b96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C71 | 5620 bytes |
font_01_sfnt_off00007f9c.bin5d4aa507cecb229209421b097878355d615b2934219a4d79bda5919043b8160a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F9C | 10084 bytes |
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