MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, which is indicative of a link farm or SEO poisoning attempt. One of the primary links, https://ttraff.ru/pify?keyword=gourmet+race+sheet+music+viola, is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness.
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=gourmet+race+sheet+music+viola
- http://files.worldofchristinestoddard.com/uploads/1/3/0/9/130969059/ruvisobexujo.pdf
- http://vugubu.modernedgeacupuncture.com/uploads/1/3/1/3/131379803/7397217457b.pdf
- http://gosikut.jlkbodybutters.com/uploads/1/3/0/7/130776525/2531811.pdf
- http://files.sitimeline.com/uploads/1/3/1/3/131398140/gesibuzek.pdf
- http://files.sjacksongms.org/uploads/1/3/1/8/131856433/ac55c623127.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/9558/8002/files/24986717412.pdf
- https://cdn.shopify.com/s/files/1/0430/8225/2442/files/jevuraz.pdf
- https://cdn.shopify.com/s/files/1/0432/0201/9487/files/charcoal_drawing_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0437/9367/8497/files/sefafalit.pdf
- https://cdn.shopify.com/s/files/1/0429/5249/1159/files/auditory_brainstem_response_test.pdf
- https://cdn.shopify.com/s/files/1/0429/1290/7423/files/wonijuvopevupiganomufej.pdf
- https://cdn.shopify.com/s/files/1/0431/2937/2832/files/vifejirezatuvowovorir.pdf
- https://cdn.shopify.com/s/files/1/0437/2620/9175/files/php_password_protected_page.pdf
- https://cdn.shopify.com/s/files/1/0432/2141/8147/files/43248091307.pdf
- https://cdn.shopify.com/s/files/1/0431/7682/0890/files/xalapunexoko.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_off0000470e.bin0f5d4c07f400b3ba41ea2a0dddb88276649eb0f9c201a4123af4e047c56deb40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x470E | 5132 bytes |
font_01_sfnt_off00005861.bina2a42ec7539b6ac0da29f2729bcb13fc9ce1a4d1e72ea11989af1eb1d190b17b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5861 | 9516 bytes |
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