MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/wb?keyword=worcester%20bosch%20boiler%20manual'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm SEO tactic to obscure the malicious redirector. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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.cc/wb?keyword=worcester%20bosch%20boiler%20manual
- http://files.remotedatabaseadministrators.com/uploads/1/3/2/6/132696030/ef0c0277d72b07.pdf
- http://files.janinerosenberger.com/uploads/1/3/1/4/131437504/4d3deb76c5.pdf
- http://files.4energia.com/uploads/1/3/0/8/130814706/mututafaregilur.pdf
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/14037939043.pdf
- https://cdn.shopify.com/s/files/1/0427/9838/3260/files/punegotanolaki.pdf
- https://cdn.shopify.com/s/files/1/0428/5048/4390/files/72065134665.pdf
- https://cdn.shopify.com/s/files/1/0428/5064/8223/files/lemofabagelu.pdf
- https://cdn.shopify.com/s/files/1/0428/4533/9814/files/88829805176.pdf
- https://cdn.shopify.com/s/files/1/0433/7241/3079/files/27309691389.pdf
- https://cdn.shopify.com/s/files/1/0428/7853/3788/files/votusonojuzosubuveganes.pdf
- https://cdn.shopify.com/s/files/1/0431/2137/7434/files/nabiwoli.pdf
- https://cdn.shopify.com/s/files/1/0431/0931/8813/files/terir.pdf
- https://cdn.shopify.com/s/files/1/0437/3689/1544/files/46133208958.pdf
- https://cdn.shopify.com/s/files/1/0430/9372/1255/files/67815267469.pdf
- https://cdn.shopify.com/s/files/1/0447/3444/7770/files/chinese_calligraphy_font.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_off00004782.bin5a8dbb5a38e78f72fc0238f9de2c6a3d02e4d4b35022b03935083ec666a787e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4782 | 5192 bytes |
font_01_sfnt_off00005907.bin8ae274e7427d815ea0a4ba029729f21762d1dafea06b0dc8e04622263bbb65b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5907 | 9860 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.