MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external PDF files, indicating a link farm. One of the primary links, 'https://ttraff.ru/pify?keyword=cavernous+transformation+ct', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and embedded URLs, suggesting an attempt to lure users to malicious infrastructure.
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=cavernous+transformation+ct
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/5de1df_2b03c2c28fd049cb9212d909f4947cfe.pdf
- https://static.usrfiles.com/ugd/b8c837_c18c34ad10884e728dd5f90b0d3ff43b.pdf
- https://static.usrfiles.com/ugd/b8c837_4fd4d3b790104b7cae4c1ac4d21cb031.pdf
- https://static.usrfiles.com/ugd/d1d005_a7a3341953164d16aee4b1a51607932f.pdf
- https://cdn.shopify.com/s/files/1/0437/2067/1384/files/paluvu.pdf
- https://cdn.shopify.com/s/files/1/0434/3952/1958/files/sugijagovemazifapi.pdf
- https://cdn.shopify.com/s/files/1/0433/5609/4615/files/the_playbook_online.pdf
- https://cdn.shopify.com/s/files/1/0470/9538/2174/files/zusupesirilaxajedinivasam.pdf
- https://cdn.shopify.com/s/files/1/0436/9914/2810/files/20488143064.pdf
- https://cdn.shopify.com/s/files/1/0434/5764/2648/files/o_positive_blood_type_diet_to_lose_weight.pdf
- https://cdn.shopify.com/s/files/1/0433/9597/3271/files/64035200535.pdf
- https://cdn.shopify.com/s/files/1/0438/7300/9819/files/giviwexevuwetid.pdf
- https://cdn.shopify.com/s/files/1/0434/1969/7310/files/dakaze.pdf
- https://cdn.shopify.com/s/files/1/0430/2376/1571/files/90663102038.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_off0000734f.binf71b4015fc4a6ec46b6fafdea8cdd1d9d2f1cb967543a02d0eb66562226efd86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x734F | 4960 bytes |
font_01_sfnt_off00008422.bin655fb6f852f68ef00e3711562f3a98f9b4d711b9d38343f45ba8513f3db87fd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8422 | 10376 bytes |
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