MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a malicious redirector link pointing to 'ttraff.ru', and another identified a link farm with 22 external PDF links, many hosted on cdn.shopify.com. The document body contains the URL 'https://ttraff.ru/pify?keyword=sacred+fist+pathfinder', suggesting a lure to a malicious redirector. The presence of multiple Shopify links, some confirmed benign and others unknown, indicates a potential attempt to blend malicious links with legitimate ones.
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=sacred+fist+pathfinder
- http://jexafux.northfieldrobotics.com/uploads/1/3/0/7/130776445/164de.pdf
- https://cdn.shopify.com/s/files/1/0429/6422/2101/files/ranaj.pdf
- https://cdn.shopify.com/s/files/1/0432/9409/7576/files/mac_os_high_sierra_hackintosh_guide.pdf
- https://cdn.shopify.com/s/files/1/0430/4542/1205/files/dreamweaver_8_free_for_windows_7.pdf
- https://cdn.shopify.com/s/files/1/0432/2259/7800/files/mapamundi_para_colorear_con_nombres.pdf
- https://cdn.shopify.com/s/files/1/0430/9296/7581/files/wing_chun_dummy_techniques_download.pdf
- https://cdn.shopify.com/s/files/1/0431/3333/7768/files/rarodizuzidopefuwogo.pdf
- https://cdn.shopify.com/s/files/1/0432/5661/0969/files/fidokasa.pdf
- https://cdn.shopify.com/s/files/1/0450/9309/3541/files/salesforce_lightning_for_outlook.pdf
- https://cdn.shopify.com/s/files/1/0429/5832/3865/files/14953230617.pdf
- https://cdn.shopify.com/s/files/1/0434/8539/7152/files/safowakin.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_off0000855d.binf4820f90c8fe1074f6d56b81cdde88913f91aae482375f1d780e944b3b2e5479 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x855D | 5316 bytes |
font_01_sfnt_off0000975b.bin815c5d96a3765a8731b64e52125eac412181aca81a020be06d297574f0238d5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x975B | 10460 bytes |
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