MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as an engine manual. This URL is likely used to redirect the user to a malicious site or download further malware. The PDF also contains a large number of external links, many of which are benign, suggesting a link farm or SEO poisoning tactic to improve search engine ranking for malicious content.
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=engine+manual+briggs+and+stratton
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/c63dba_41ce2d43dfbc4bd9bba410b78049d95a.pdf
- https://static.usrfiles.com/ugd/912de2_9d5ffe09c20645ccb39e9d79f1032c8d.pdf
- https://static.usrfiles.com/ugd/b8c837_531afa0bf6e04d9a977a40609040b82a.pdf
- https://static.usrfiles.com/ugd/277b62_9555ed89bd204b178735e9bbc305b454.pdf
- https://cdn.shopify.com/s/files/1/0435/1793/5770/files/83791439775.pdf
- https://cdn.shopify.com/s/files/1/0434/9244/2277/files/canon_lide_110_button.pdf
- https://cdn.shopify.com/s/files/1/0435/9100/8418/files/gettimeofday_c_example.pdf
- https://cdn.shopify.com/s/files/1/0427/3248/6823/files/luligugesitavubowiwaj.pdf
- https://cdn.shopify.com/s/files/1/0461/8344/8730/files/tenant_move_in_checklist.pdf
- https://cdn.shopify.com/s/files/1/0439/3422/0456/files/sinapabajuk.pdf
- https://cdn.shopify.com/s/files/1/0437/7001/9994/files/blocking_numbers_on_android_blu.pdf
- https://cdn.shopify.com/s/files/1/0432/5877/3662/files/58274243080.pdf
- https://cdn.shopify.com/s/files/1/0437/9344/9122/files/amnesia_love_story_game.pdf
- https://cdn.shopify.com/s/files/1/0433/2853/6734/files/19973834756.pdf
- https://cdn.shopify.com/s/files/1/0431/5598/0439/files/dajavesugavasemof.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004bfe.binc6b33f4bfdb6f78a0977f4f2db977fd6b5970abe621ff258e399981c15f54c84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4BFE | 5244 bytes |
font_01_sfnt_off00005dac.bin28bcee435c28570e0c9c1e05f019d96c9cf342583e442c7d9533fe8fcbb3a66e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DAC | 9840 bytes |
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