MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The file is also flagged by a machine learning classifier as malicious. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy, likely for SEO poisoning or distributing malicious content.
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=materi+bilangan+berpangkat+dan+bentuk+akar+kelas+9+pdf
- http://files.winndems.org/uploads/1/3/1/3/131383791/vesinobafigan.pdf
- http://files.charlottecblack.com/uploads/1/3/0/9/130969427/2798aa03b0e19.pdf
- http://files.savinggracearizona.com/uploads/1/3/1/4/131483371/dinune_mabepala.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23063093424.pdf
- https://cdn.shopify.com/s/files/1/0436/0473/8206/files/transnational_organized_crime.pdf
- https://cdn.shopify.com/s/files/1/0433/1683/8558/files/xabokosi.pdf
- https://cdn.shopify.com/s/files/1/0429/9502/4033/files/vomoxevujo.pdf
- https://cdn.shopify.com/s/files/1/0432/3062/5950/files/resurrector_mech_serum.pdf
- https://cdn.shopify.com/s/files/1/0437/6081/2190/files/zizesinepanix.pdf
- https://cdn.shopify.com/s/files/1/0428/7243/8947/files/94318254480.pdf
- https://cdn.shopify.com/s/files/1/0428/5785/7187/files/6638078155.pdf
- https://cdn.shopify.com/s/files/1/0432/6827/6384/files/guvilo.pdf
- https://cdn.shopify.com/s/files/1/0431/2278/6466/files/minecraft_scoreboard_death_counter.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005be5.binf9cab2851a273aa06281037f67ba2febe6418923d921e69ce74a1ecc134a8c06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BE5 | 5572 bytes |
font_01_sfnt_off00006eee.bine6319a1b4868eee55970877458e38d0a96edd6ded631ed329cd07740e0c164c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EEE | 10284 bytes |
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