MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a mass of external links, including a primary link to a known malicious redirector at `https://ttraff.com/wix?keyword=the+10+bushcraft+books+pdf`. The document body text, though heavily obfuscated, appears to be a lure related to 'bushcraft books'. The presence of numerous links to Shopify and usrfiles.com domains suggests a link farm or SEO poisoning tactic to distribute the malicious redirector. 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.com/wix?keyword=the+10+bushcraft+books+pdf
- https://cdn.shopify.com/s/files/1/0431/5719/2865/files/4k_video_downloader_not_parsing.pdf
- https://cdn.shopify.com/s/files/1/0433/2997/8526/files/52556381296.pdf
- https://cdn.shopify.com/s/files/1/0432/8144/9118/files/zazupelifijutorolukekevop.pdf
- https://cdn.shopify.com/s/files/1/0430/3945/7429/files/68251524736.pdf
- https://cdn.shopify.com/s/files/1/0440/6204/8421/files/calculus_limits_and_derivatives.pdf
- https://static.usrfiles.com/ugd/8b9728_f704975df5f24a3780517a45d9cdf017.pdf
- https://static.usrfiles.com/ugd/5af86b_6dab73d10cec45d09f9ac844314c1023.pdf
- https://static.usrfiles.com/ugd/b56239_625671c77a79416aaa2292e380eff3e9.pdf
- https://static.usrfiles.com/ugd/e3834b_83b24a92700c4823a815da539a26b51d.pdf
- https://static.usrfiles.com/ugd/b4a829_9235d82761b841e997fcbd0005fca64e.pdf
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/tamudososili.pdf
- https://cdn.shopify.com/s/files/1/0437/1945/8967/files/free_whois_history_report.pdf
- https://cdn.shopify.com/s/files/1/0433/6818/6015/files/riwulojegixapajapoz.pdf
- https://cdn.shopify.com/s/files/1/0437/8682/9981/files/action_linking_and_helping_verbs_worksheets.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_off0000725b.binc10d957170b887789140eef56fdb0e7e81604196a434e7da2a74998b168057cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x725B | 5560 bytes |
font_01_sfnt_off0000853a.binf9d0b339bec133cf33f7638e176c5dcd1732b2e343849d03580dd1a172aba210 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x853A | 10468 bytes |
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