MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link to a known malicious redirector, ttraff.com, which is disguised as a definition of asymmetric warfare. This suggests a social engineering tactic to lure users to a malicious site. The file also contains a large number of embedded links, many pointing to PDF files on static.usrfiles.com, indicating a potential link farm or SEO poisoning attempt to improve search engine ranking for malicious content. No scripts were extracted, but the primary malicious activity appears to be redirection to a harmful URL.
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=asymmetric+warfare+definition+pdf
- https://static.usrfiles.com/ugd/735189_e3adc656308443ff8b96fe77d2338a6e.pdf
- https://static.usrfiles.com/ugd/834936_d2692a7626194ba3a6a59a9cbb3a2c04.pdf
- https://static.usrfiles.com/ugd/66c878_91f91285922b43d6ac8771924887ea0f.pdf
- https://static.usrfiles.com/ugd/fd30ac_25167d364e0e4cce924b59e24fda633c.pdf
- https://static.usrfiles.com/ugd/0aab01_b68678e6bb7944708c5f9b815a94eb11.pdf
- https://cdn.shopify.com/s/files/1/0434/7713/9613/files/f_to_c_conversion_chart.pdf
- https://cdn.shopify.com/s/files/1/0429/6769/5509/files/3590840061.pdf
- https://cdn.shopify.com/s/files/1/0429/6137/1290/files/gamazenerovisexa.pdf
- https://cdn.shopify.com/s/files/1/0447/3903/5290/files/pet_insurance_nationwide_claim_form.pdf
- https://cdn.shopify.com/s/files/1/0437/9577/5650/files/best_ebook_reader_for_scanneds.pdf
- https://cdn.shopify.com/s/files/1/0441/0572/8152/files/xebofopagulemewujanelo.pdf
- https://cdn.shopify.com/s/files/1/0434/7386/2808/files/43733081911.pdf
- https://static.usrfiles.com/ugd/b8c837_75560a67bc894a448044a18ddd58077f.pdf
- https://static.usrfiles.com/ugd/6cf804_5f6defbd5be448e0be086402c262b830.pdf
- https://static.usrfiles.com/ugd/868401_3ac3431470894388adcc02aff7a6938b.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_off00005d8f.bin8abad42aff9b621cc7559fc99d35f26fad268a35a8d32e4f5b5683376f35760c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D8F | 5452 bytes |
font_01_sfnt_off0000701d.bin0b3520242cb52f8b25886a12c5fbd12ee8b54d40dbd34a1a466e9c767b44b26c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x701D | 9472 bytes |
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