MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, identified as a PDF link farm, directing users to various shopify URLs and a suspicious redirector at ttraff.ru. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector link confirms a likely attempt to lead users to harmful content. The document body contains garbled text and a repeated malicious URL, further supporting the malicious intent.
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/wix?keyword=campbell+hausfeld+iron+force+angle+f
- https://cdn.shopify.com/s/files/1/0434/5846/1863/files/kivix.pdf
- https://cdn.shopify.com/s/files/1/0434/2048/3751/files/hangout_apk_for_pc.pdf
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/11467980525.pdf
- https://cdn.shopify.com/s/files/1/0434/0708/1622/files/gemesivetufux.pdf
- https://cdn.shopify.com/s/files/1/0431/4539/6386/files/36534164632.pdf
- https://cdn.shopify.com/s/files/1/0434/2893/7880/files/97645342133.pdf
- https://cdn.shopify.com/s/files/1/0430/2058/3065/files/afto_form_244.pdf
- https://cdn.shopify.com/s/files/1/0432/4173/4301/files/99969401823.pdf
- https://cdn.shopify.com/s/files/1/0432/5811/8312/files/fonebujiduvisa.pdf
- https://static.usrfiles.com/ugd/b8c837_55cae2a1c7bb4f87a596d1348232de55.pdf
- https://static.usrfiles.com/ugd/b8c837_dcd2d19f2e0347388e6efd2680f7a612.pdf
- https://static.usrfiles.com/ugd/b8c837_b26f7a0d469e45d6a550604b79796a6e.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_off00004608.bin3745074d7eee205ffa2cdca0678d1e0cef0f707e13c2cd07e3b90660e38ca223 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4608 | 5612 bytes |
font_01_sfnt_off000058f6.binc39409a8eac663fc315e69a415691681630699749d7ba2f4f15bc75f7a860a69 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58F6 | 10800 bytes |
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