MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One of the primary links directs to a known malicious redirector, ttraff.com, which is likely used to obscure the final malicious destination. The ML classifier also strongly indicated maliciousness.
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=beautiful+pictures+of+the+world
- http://wulol.crestwoodexplorestheworld.org/uploads/1/3/0/8/130814328/4831f9d2.pdf
- http://files.spiritofpeacemilw.org/uploads/1/3/0/7/130776526/kubekexowigeto_torukeridobaj.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/6164/7262/files/83091832438.pdf
- https://cdn.shopify.com/s/files/1/0433/4603/4846/files/asus_usb-_bt400.pdf
- https://cdn.shopify.com/s/files/1/0431/5843/8056/files/jotima.pdf
- https://cdn.shopify.com/s/files/1/0435/9146/7176/files/turedobulotimotunati.pdf
- https://cdn.shopify.com/s/files/1/0428/4183/3635/files/14441212930.pdf
- https://cdn.shopify.com/s/files/1/0429/9515/5105/files/57798877006.pdf
- https://cdn.shopify.com/s/files/1/0429/8709/4179/files/musorogozezoxoxolu.pdf
- https://cdn.shopify.com/s/files/1/0431/1361/1413/files/nuxavozak.pdf
- https://cdn.shopify.com/s/files/1/0433/5996/1239/files/nubosadoxawi.pdf
- https://cdn.shopify.com/s/files/1/0432/4658/3976/files/30282575810.pdf
- https://cdn.shopify.com/s/files/1/0429/9502/4033/files/42157910556.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/
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004370.bin4c5d82bf823590a3c0272d379e1eeff24c20419c86a55b32a6da1ad11d0ad79b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4370 | 5384 bytes |
font_01_sfnt_off000055c2.binf2853f90f9b49de14555b98ef4d7d8f9a43db21d66c7f0f08837b1d730970ef6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55C2 | 9652 bytes |
font_02_sfnt_off000076f3.binb50697107089b3b99fd4bb4d1d478d8cdf1451ebcc2d00f5d636114b2a25aa3a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76F3 | 17996 bytes |
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