MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a 'medical certificate fitness form'. The link, https://ttraff.ru/pify?keyword=medical+certificate+fitness+form+pdf, is a known malicious redirector. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further supports malicious intent.
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=medical+certificate+fitness+form+pdf
- http://datetaboj.basementcityproductions.com/uploads/1/3/0/8/130873995/rogerisezoxura.pdf
- http://files.gowildfoundation.org/uploads/1/3/1/4/131407704/5548553.pdf
- http://files.ichcnj.org/uploads/1/3/0/9/130969218/zenufuwagovex-ponuvozotiko-vowubuluso-wiroratow.pdf
- https://cdn.shopify.com/s/files/1/0438/0462/3010/files/61703819086.pdf
- https://cdn.shopify.com/s/files/1/0429/1087/5815/files/tuzamedeve.pdf
- https://cdn.shopify.com/s/files/1/0434/8120/2854/files/waretadubonobedikup.pdf
- https://cdn.shopify.com/s/files/1/0429/9938/2170/files/ziwexekowakezixapezexez.pdf
- https://cdn.shopify.com/s/files/1/0432/6601/5400/files/binomial_expansion_questions_and_answers_a_level.pdf
- https://cdn.shopify.com/s/files/1/0429/0985/9999/files/12283831816.pdf
- https://cdn.shopify.com/s/files/1/0431/6053/5196/files/suzeluwejununo.pdf
- https://cdn.shopify.com/s/files/1/0436/2534/9283/files/vedudib.pdf
- https://cdn.shopify.com/s/files/1/0428/8780/7129/files/fibavidodajikukidemani.pdf
- https://cdn.shopify.com/s/files/1/0435/7256/0033/files/windows_xp_professional_product_key_64_bit.pdf
- https://cdn.shopify.com/s/files/1/0430/5122/1146/files/fasuragoxumafexutaw.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 |
|---|---|---|---|
font_00_sfnt_off0000c8a6.binb7f317aa0f29cd34df008dc84d8f376d2685882a57a4a5cd0d86477d0adf885a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8A6 | 2828 bytes |
font_01_sfnt_off0000d2a1.bin8257e51204c1e2a4f2bff5fa38b3a98088844f06da4fb6e265a5a006b8f56e82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2A1 | 5304 bytes |
font_02_sfnt_off0000e49f.bin8d26422e2d52c08b7ce2f23c8f8c628b13efad8347c639f29bcfe873a471ec7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE49F | 9868 bytes |
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