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, with one specifically pointing to a known malicious redirector at 'ttraff.ru'. The document body, though partially corrupted, includes text related to a '2019 honda accord manual review' and the malicious URL, suggesting a lure for users to click through to a potentially harmful site. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the ultimate destination. The ML classifier strongly flagged this PDF as malicious.
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.ru/pify?keyword=2019+honda+accord+manual+review
- http://files.mbarchitectureanddesign.com/uploads/1/3/0/8/130814346/6205249.pdf
- http://files.westwoodhoops.com/uploads/1/3/1/3/131384136/10fb483d94.pdf
- http://disixop.takingrefuge.net/uploads/1/3/0/7/130740522/8000788.pdf
- https://cdn.shopify.com/s/files/1/0437/9679/1456/files/free_convert_a_file_to_word_document_for_editing.pdf
- https://cdn.shopify.com/s/files/1/0431/0532/1109/files/78623453445.pdf
- https://cdn.shopify.com/s/files/1/0433/9456/4252/files/hustle_and_flow_soundtrack.pdf
- https://cdn.shopify.com/s/files/1/0430/9313/1425/files/77644044513.pdf
- https://cdn.shopify.com/s/files/1/0435/7419/8431/files/porenemozabove.pdf
- https://cdn.shopify.com/s/files/1/0432/6211/6008/files/wuvagizufasariruxajeduta.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65105912314.pdf
- https://cdn.shopify.com/s/files/1/0430/1419/3311/files/gatupoxat.pdf
- https://cdn.shopify.com/s/files/1/0432/8213/7243/files/volunaxerabarokik.pdf
- https://cdn.shopify.com/s/files/1/0431/9451/5614/files/72401630010.pdf
- https://cdn.shopify.com/s/files/1/0434/6553/9741/files/boot_camp_workouts.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_off000062c3.bin6a5c171e56adef0e22f5fda7932343e01a9a619bdca022b6c2b7ff2ac3c7942e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62C3 | 5540 bytes |
font_01_sfnt_off00007571.bin375944a9b7b7b6b616256b106d9b282c41e275c9a9f0820f8c20018973502ec8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7571 | 14328 bytes |
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