MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded URLs, a technique often used for SEO poisoning or to redirect users to malicious sites. One of the embedded URLs, 'https://ttraff.ru/pify?keyword=annelids+online+battle+hack', is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains garbled text and what appears to be a reference to the malicious URL and other PDF links.
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=annelids+online+battle+hack
- http://files.coachboggsrunning.com/uploads/1/3/1/3/131379397/jepatizulozamibojuki.pdf
- https://cdn.shopify.com/s/files/1/0435/0964/5478/files/stanford_binet_intelligence_scale_5th_edition.pdf
- https://cdn.shopify.com/s/files/1/0440/8960/6294/files/gosikakebavikigotaf.pdf
- https://cdn.shopify.com/s/files/1/0431/1161/2572/files/adorno_authoritarian_personality.pdf
- https://cdn.shopify.com/s/files/1/0443/1645/9164/files/23262490661.pdf
- https://cdn.shopify.com/s/files/1/0431/9795/6256/files/dojubajinovet.pdf
- https://cdn.shopify.com/s/files/1/0438/8116/9051/files/goalkeeper_ciws.pdf
- https://cdn.shopify.com/s/files/1/0431/9353/2573/files/bed_colleges_in_telangana_2020.pdf
- https://cdn.shopify.com/s/files/1/0439/1501/8392/files/28017893924.pdf
- https://cdn.shopify.com/s/files/1/0436/9701/2890/files/25422018818.pdf
- https://cdn.shopify.com/s/files/1/0430/2821/8010/files/lokem.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_off00005931.bina9c5f39298c038b36d42e23f0fcc233144423045b8326a5f7afc97fde28cf342 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5931 | 5124 bytes |
font_01_sfnt_off00006a92.bin56de691181fb7ff5a1d0d22584f8432f39a05be9d76c2d8e1a606a0a447bc9e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A92 | 9992 bytes |
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