MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to a known malicious redirector. The document body, though heavily obfuscated, contains URLs that appear to be part of a link farm, with the primary malicious URL being ttraff.com. This suggests a phishing or redirection attack aimed at users searching for specific documents.
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=behringer+x32+user+manual+espa%25C3%25B1ol
- http://files.fourcornersencampment.org/uploads/1/3/1/6/131606431/lamaj.pdf
- https://cdn.shopify.com/s/files/1/0427/9504/0924/files/44229334281.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8865/files/9756682798.pdf
- https://cdn.shopify.com/s/files/1/0429/5586/6265/files/volume_of_3d_shapes.pdf
- https://cdn.shopify.com/s/files/1/0435/1125/1099/files/jll_residential_report_2019.pdf
- https://cdn.shopify.com/s/files/1/0430/6042/8962/files/96735436668.pdf
- https://cdn.shopify.com/s/files/1/0434/7622/2114/files/adolfo_bioy_casares_la_invencin_de_morel.pdf
- https://cdn.shopify.com/s/files/1/0433/2391/6443/files/apparel_manufacturing_book.pdf
- https://cdn.shopify.com/s/files/1/0439/2235/8427/files/katyn_kohout.pdf
- https://cdn.shopify.com/s/files/1/0437/8542/0949/files/piwuwufewakurotuf.pdf
- https://cdn.shopify.com/s/files/1/0429/2873/4375/files/naxafuwewib.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9908973296.pdf
- https://cdn.shopify.com/s/files/1/0435/3146/8951/files/ielts_academic_exam_sample.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_off00007e8a.bin751c78c95a0071e7f74511f6e06ddfd4fcd71981969deed1b863a3dad952c5b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E8A | 5860 bytes |
font_01_sfnt_off00009213.bin71c68a86789aed83602131c67ef7388cbf19b9ffe223e1a9f34d213746a10c36 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9213 | 14288 bytes |
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