MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one pointing to a known malicious redirector (ttraff.ru). The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated, but the presence of numerous links suggests a lure to external, potentially malicious, content. The primary attack pattern involves redirecting users through a link farm, likely for SEO poisoning or phishing.
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=mood+examples+in+literature
- http://files.wasbc.net/uploads/1/3/0/7/130739740/860124f.pdf
- http://files.louisescott-bushell.com/uploads/1/3/1/3/131379801/7389591.pdf
- http://files.rivertothesky.org/uploads/1/3/1/0/131070011/bonaw.pdf
- https://cdn.shopify.com/s/files/1/0435/8157/1227/files/fogowitikapezilife.pdf
- https://cdn.shopify.com/s/files/1/0431/8085/1364/files/gapiwunirikinuramodefifaw.pdf
- https://cdn.shopify.com/s/files/1/0439/8071/8238/files/vugiteda.pdf
- https://cdn.shopify.com/s/files/1/0433/3427/1126/files/vuburaropawotegajejapele.pdf
- https://cdn.shopify.com/s/files/1/0432/5313/7576/files/mokaluvatogixuravilil.pdf
- https://cdn.shopify.com/s/files/1/0431/7518/2485/files/50889151385.pdf
- https://cdn.shopify.com/s/files/1/0440/9635/6504/files/14364513583.pdf
- https://cdn.shopify.com/s/files/1/0431/8032/7076/files/xojawizomukufuzawop.pdf
- https://cdn.shopify.com/s/files/1/0431/7990/1079/files/wabokoporekebubuzefulozi.pdf
- https://cdn.shopify.com/s/files/1/0431/2809/4882/files/82576806965.pdf
- https://cdn.shopify.com/s/files/1/0440/2675/7270/files/godesuguj.pdf
- https://cdn.shopify.com/s/files/1/0432/0326/4667/files/94113838592.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_off00007937.bin8b1afc1c64b18ff86ef797645a96abfb3761e9877afe1183029fe51ed3db45b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7937 | 5060 bytes |
font_01_sfnt_off00008a54.bin19fb5fa6cc9473f1765a5cf630484167e3dfebedc6038bdf1fa866c0b1e5f604 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A54 | 10064 bytes |
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