MALICIOUS
154
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'. The document body, though partially corrupted, includes the same URL and appears to be disguised as a manual. The presence of numerous embedded URLs, including a link farm to Shopify and static.usrfiles.com, suggests an attempt to obscure the malicious destination and potentially leverage SEO tactics. 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/wix?keyword=manual+pratico+mestre+de+obras
- https://cdn.shopify.com/s/files/1/0457/3688/6428/files/34544318430.pdf
- https://cdn.shopify.com/s/files/1/0431/6450/0122/files/git_all_branches.pdf
- https://cdn.shopify.com/s/files/1/0431/1498/7682/files/kodufoxefifet.pdf
- https://cdn.shopify.com/s/files/1/0430/6498/3703/files/dekagetefiwozozugi.pdf
- https://cdn.shopify.com/s/files/1/0435/7819/6129/files/wubojigav.pdf
- https://static.usrfiles.com/ugd/b8c837_c53fce6494ad447ebf461da4fc0fe626.pdf
- https://static.usrfiles.com/ugd/cac9e4_4c70f5c2083f419489a134dbf0a5f99b.pdf
- https://static.usrfiles.com/ugd/b8c837_ef9bff7715084d1098bf4381f9438443.pdf
- https://static.usrfiles.com/ugd/b8c837_889dd6cfb9a7487aa0c1f24746b29696.pdf
- https://static.usrfiles.com/ugd/b8c837_dde67105dde449979c2df446c25668da.pdf
- https://static.usrfiles.com/ugd/b8c837_728224f793304c6e8f4557443b93638c.pdf
- https://static.usrfiles.com/ugd/b8c837_708fe6c2d1b544dd839c8f4c871f41a5.pdf
- https://static.usrfiles.com/ugd/b8c837_4133d9c88ac0455da2f278a27679651d.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_off000060b1.bin729afc654661f4813f352ac7d66861525d9726d2f090c1564b29047dd15af955 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60B1 | 5364 bytes |
font_01_sfnt_off000072c8.bin920bcab052b24859600c4243824682a2514ce076de30c01b002ffd0ad6c32715 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72C8 | 17456 bytes |
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