MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains designed to host numerous PDF files. The primary link directs to a known malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign to drive traffic to malicious sites, likely for further exploitation 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://ggtraff.ru/strik?keyword=proforma+fatura+pdf+indir
- http://files.luzniak.com/uploads/1/3/1/1/131164198/6099681.pdf
- http://files.lzventures.com.au/uploads/1/3/0/7/130739240/d6048388.pdf
- http://files.comicstripteased.com/uploads/1/3/0/8/130874307/latuper.pdf
- http://files.nmcaahs.com/uploads/1/3/0/9/130968956/68ea7bcb.pdf
- http://putatos.hr-connectht.com/uploads/1/3/1/6/131607600/fed3c7912eac9f3.pdf
- http://files.dvremodel.com/uploads/1/3/1/4/131438071/4e6d5569fcdb0.pdf
- http://vesaja.desireelowit.com/uploads/1/3/1/4/131406663/3751584.pdf
- http://romixi.jacquelinedeangelis.com/uploads/1/3/0/7/130739616/fd4ca3.pdf
- https://site-1039167.mozfiles.com/files/1039167/volonu.pdf
- https://site-1039863.mozfiles.com/files/1039863/19555844754.pdf
- http://fifanesu.carterandcompanybroker.com/uploads/1/3/1/1/131164159/6260105.pdf
- http://nowijojed.homeworshipping.com/uploads/1/3/1/4/131483418/bozalu_sigatenepi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004c0c.bin85d9da614ff88f9d5d8f8fb9cf930a46e29b8ece86aa1fc3b617d577975a104b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C0C | 4744 bytes |
font_01_sfnt_off00005bf7.bin13fc24f09392e6d6ef546ca7c17e1e05ccf387162e964499384c2329d3461d80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BF7 | 11704 bytes |
font_02_sfnt_off0000813a.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x813A | 4324 bytes |
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