MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=witcher+3+guide'. The document body, though heavily obfuscated, contains this URL and appears to be a lure related to a video game guide. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content. 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=witcher+3+guide
- http://bepaja.angelatipsey.com/uploads/1/3/1/6/131607188/tepujep.pdf
- http://gakezena.lcatswimming.com/uploads/1/3/0/8/130874493/87674fe66c.pdf
- http://files.3dfurniture3d.com/uploads/1/3/1/4/131453054/8222489.pdf
- http://files.thompsonphoto.co.uk/uploads/1/3/1/8/131856277/pidoxoro.pdf
- http://gixobib.alr182.org/uploads/1/3/1/8/131871699/muvakunobonobu_jemumi_rixapi_nitefa.pdf
- https://cdn.shopify.com/s/files/1/0429/1143/2867/files/78668132253.pdf
- https://cdn.shopify.com/s/files/1/0447/7875/0101/files/37833385214.pdf
- https://cdn.shopify.com/s/files/1/0437/5566/7605/files/how_to_find_out_someones_facebook_password.pdf
- https://cdn.shopify.com/s/files/1/0434/7507/5225/files/59242340815.pdf
- https://cdn.shopify.com/s/files/1/0429/5789/7882/files/9312758652.pdf
- https://cdn.shopify.com/s/files/1/0431/4575/6833/files/50419771225.pdf
- https://cdn.shopify.com/s/files/1/0437/7876/9057/files/tf-_cbt_workbook.pdf
- https://cdn.shopify.com/s/files/1/0447/8782/6854/files/worldview_test.pdf
- https://cdn.shopify.com/s/files/1/0439/4903/1592/files/calidad_de_vida_en_el_trabajo_juana_patlan.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_off000087e0.bin57dfb7242499c3d961c8860c7d81bbce993d16c3349b053481f22dd497b172f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87E0 | 4960 bytes |
font_01_sfnt_off000098c5.binb2711a11cafe414daa7a8ab5294e0a9f505ed439397502a6663cac64f1ecb819 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98C5 | 10024 bytes |
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