MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the string 'Viral pathogenesis pdf' and a URL that appears to be part of a link farm designed to attract search engine traffic. The presence of a malicious redirector suggests an attempt to lure users to a compromised or malicious site.
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.com/pify?keyword=viral+pathogenesis+pdf
- http://files.trappersrunningclub.com/uploads/1/3/0/8/130874012/7337c6f.pdf
- http://files.a-prickly-pair.com/uploads/1/3/0/7/130775516/pideb_vokuj_zefeba_xujabifesori.pdf
- http://files.okbigstarkennels.com/uploads/1/3/1/3/131379262/doxoruwumoliw.pdf
- http://files.riinabodyart.com/uploads/1/3/1/6/131607440/3553867.pdf
- http://files.twobitranchphotography.com/uploads/1/3/2/3/132302999/1621a771.pdf
- https://cdn.shopify.com/s/files/1/0431/2553/8970/files/91298617984.pdf
- https://cdn.shopify.com/s/files/1/0431/0840/1316/files/42215011278.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wajomuxufukurojudi.pdf
- https://cdn.shopify.com/s/files/1/0435/6295/9006/files/ximifuvojegoluvijovusef.pdf
- https://cdn.shopify.com/s/files/1/0438/0216/5410/files/php_parse_rss.pdf
- https://cdn.shopify.com/s/files/1/0434/3654/0056/files/81666889567.pdf
- https://cdn.shopify.com/s/files/1/0428/9485/2252/files/75994622174.pdf
- https://cdn.shopify.com/s/files/1/0431/3533/6605/files/29812540526.pdf
- https://cdn.shopify.com/s/files/1/0431/2412/9952/files/92181432422.pdf
- https://cdn.shopify.com/s/files/1/0430/8385/8080/files/83674147978.pdf
- https://cdn.shopify.com/s/files/1/0428/1732/3175/files/12014312799.pdf
- https://cdn.shopify.com/s/files/1/0434/8228/4194/files/bagan_temple_map.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_off00009352.binbeaa720829b8d9ba0ee3e6d37f115bfaceec7258ea6eeff76cd202273740de2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9352 | 5268 bytes |
font_01_sfnt_off0000a539.bin5d49105e59fb7e4a7dc9179fe9dab341fc100289d302197cc1233bea90cf8caa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA539 | 10404 bytes |
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