MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=learning+disabilities+definition+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted, but the presence of a malicious redirector URL indicates an attempt to lure the user to a harmful site, likely for further exploitation or credential harvesting.
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=learning+disabilities+definition+pdf
- http://files.beeffoundation.org/uploads/1/3/1/6/131637034/dadigaguxa.pdf
- http://mufiw.littlechristianpreschool.org/uploads/1/3/1/4/131453060/16f26fc48.pdf
- http://files.endzonefilms.com/uploads/1/3/0/7/130739140/figeziwabigubabutex.pdf
- http://files.thepreregtrainingcompany.com/uploads/1/3/2/7/132710627/8635197.pdf
- https://cdn.shopify.com/s/files/1/0427/4959/1718/files/polijesosusubawur.pdf
- https://cdn.shopify.com/s/files/1/0431/7193/8461/files/10951871445.pdf
- https://cdn.shopify.com/s/files/1/0433/9246/7109/files/43200962914.pdf
- https://cdn.shopify.com/s/files/1/0429/3489/4755/files/75936190516.pdf
- https://cdn.shopify.com/s/files/1/0435/9074/6271/files/lumipiwuxigip.pdf
- https://cdn.shopify.com/s/files/1/0439/4031/5294/files/97123047541.pdf
- https://cdn.shopify.com/s/files/1/0434/0006/9285/files/84723367987.pdf
- https://cdn.shopify.com/s/files/1/0437/6654/6583/files/lands_end_trail_map.pdf
- https://cdn.shopify.com/s/files/1/0429/9656/4131/files/29233034625.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0000979a.bin046fa8a6811bddde250c382c458aa494d9e39f34a9064e098f859a51e460d9eb |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x979A | 18416 bytes |
font_00_sfnt_off0000636a.bin9a4e0087eeb9394df5c6b9e77f6cec35d478be0bcf3f8c95282bbfd563dfe2b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x636A | 5288 bytes |
font_01_sfnt_off00007575.bin5d590dad16324ab42d7217c02d1556f08269cb3a472bf90a565a9587ffa685de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7575 | 9920 bytes |
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