MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links pointing to known malicious redirector infrastructure, specifically 'ttraff.com'. The document body, though heavily obfuscated, contains text suggesting it is a manual for 'Olympus enf-gp', likely a lure to entice users to click the malicious link. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO manipulation tactic to obscure the malicious redirector. No scripts were extracted, but the primary attack vector appears to be directing users to malicious URLs.
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/wb?keyword=olympus%20enf-gp%20manual
- http://xixewi.thesonsetmefree.com/uploads/1/3/2/6/132696021/mulejudu.pdf
- http://files.fbcwinona.com/uploads/1/3/1/4/131438353/2667a9f8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/9240/1573/files/64637231368.pdf
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/21420307962.pdf
- https://cdn.shopify.com/s/files/1/0428/4855/1068/files/minecraft_seed_scanner.pdf
- https://cdn.shopify.com/s/files/1/0432/2865/9869/files/pycharm.pdf
- https://cdn.shopify.com/s/files/1/0437/6667/7655/files/musajojirir.pdf
- https://cdn.shopify.com/s/files/1/0435/0833/4744/files/58559161998.pdf
- https://cdn.shopify.com/s/files/1/0434/8336/5528/files/butterfly_wallpaper_free.pdf
- https://cdn.shopify.com/s/files/1/0430/5348/2137/files/boxhead_2_player_full_screen.pdf
- https://cdn.shopify.com/s/files/1/0433/9725/1235/files/85678712141.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004d95.bin012995a9809564fe508392cd08da587a799d94f95e638af38116bb191dd7062d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D95 | 5284 bytes |
font_01_sfnt_off00005f94.binf588a21590f6579119b2a48309cdd26d29325552575ec33c9b263b3a053c9e7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F94 | 10088 bytes |
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