MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, one of which, 'https://ttraff.com/wb?keyword=team%20building%20proposal%20pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a potential link farm used to obscure the malicious destination. The ML classifier strongly supports the malicious nature of this PDF.
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/wb?keyword=team%20building%20proposal%20pdf
- http://vafexav.poetart.org/uploads/1/3/1/3/131380005/miwarixijeg.pdf
- http://files.beitnachum.org/uploads/1/3/1/4/131483253/ximegigojepirez_rabisosip_suwupisi.pdf
- http://files.stephaniemclaughlinart.com/uploads/1/3/1/6/131606490/857271.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93880590480.pdf
- https://cdn.shopify.com/s/files/1/0437/6687/4266/files/gukiwaripedewiwe.pdf
- https://cdn.shopify.com/s/files/1/0437/0294/3899/files/wiwebob.pdf
- https://cdn.shopify.com/s/files/1/0429/2198/4166/files/94280310345.pdf
- https://cdn.shopify.com/s/files/1/0434/0360/8216/files/nifebadixibek.pdf
- https://cdn.shopify.com/s/files/1/0430/3909/6986/files/2191520833.pdf
- https://cdn.shopify.com/s/files/1/0430/4103/0293/files/57393872030.pdf
- https://cdn.shopify.com/s/files/1/0431/7767/2868/files/anisio_teixeira_livros.pdf
- https://cdn.shopify.com/s/files/1/0430/0505/1029/files/19685749436.pdf
- https://cdn.shopify.com/s/files/1/0431/9494/1603/files/40469000800.pdf
- https://cdn.shopify.com/s/files/1/0434/4591/1709/files/xewero.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_off000072ed.bin2f0ae26872c44f7ba258a3129c50986443b2debef99fa416858b1c40b0d40b8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72ED | 5452 bytes |
font_01_sfnt_off00008551.bind133e27e9727ab7bc9d26d288d8d0a2f728a633f02227b8bdc9659f3e03ebf5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8551 | 10064 bytes |
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