MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.ru, which is used to distribute cracked software. It also hosts a large number of SEO-optimized PDF files, likely to improve search engine ranking for malicious keywords. The ML classifier strongly indicated maliciousness, and the embedded URLs confirm a lure for software cracking. No scripts were extracted from this sample.
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=crack+autocad+2010+64bit
- http://files.ftc8496team.org/uploads/1/3/0/7/130739495/mujomu.pdf
- https://cdn.shopify.com/s/files/1/0435/4578/8584/files/furasovojuva.pdf
- https://cdn.shopify.com/s/files/1/0433/8450/4474/files/35662308408.pdf
- https://cdn.shopify.com/s/files/1/0430/6717/9165/files/rixobazoseb.pdf
- https://cdn.shopify.com/s/files/1/0432/7908/9824/files/lexokimoruniwegi.pdf
- https://cdn.shopify.com/s/files/1/0432/6142/7867/files/jusujutivu.pdf
- https://cdn.shopify.com/s/files/1/0435/3264/8602/files/ginukokomuxamadanop.pdf
- https://cdn.shopify.com/s/files/1/0431/1970/6273/files/virtual_function_c.pdf
- https://cdn.shopify.com/s/files/1/0440/7037/1493/files/books_to_learn_spanish_free.pdf
- https://cdn.shopify.com/s/files/1/0430/6649/1042/files/wegame.pdf
- https://cdn.shopify.com/s/files/1/0446/9476/5724/files/ano_ang_migrasyon.pdf
- https://cdn.shopify.com/s/files/1/0430/2356/4957/files/minecraft_vaporwave_texture_pack.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_off00005f93.binc505ea16b9fe7f99bf419636b160871b847e238250f6c5b1f9c48b827f0def1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F93 | 5400 bytes |
font_01_sfnt_off000071f1.binbe55f6accc222b5e60a7c693ab7c66f407ab9b1f0a7d7c54bc09a246b1af7095 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71F1 | 11368 bytes |
font_02_sfnt_off00009214.binc2e64f87b898d7bc56da7b58b6111cce6a3aeb56fa9b811833d19e2739472dcb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9214 | 13860 bytes |
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