MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains a URL that appears to be the same redirector. The PDF also contains a large number of links to external PDFs, many hosted on Shopify, suggesting a link farm or SEO manipulation tactic. The ML classifier also strongly flagged this PDF as malicious.
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.ru/pify?keyword=deborah+harkness+all+souls+trilogy+pdf+free
- http://files.petergroynom.com/uploads/1/3/1/6/131606395/zipimodak.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/7035/6637/files/32259069412.pdf
- https://cdn.shopify.com/s/files/1/0437/0500/8282/files/game_studio_tycoon_2_apk_mod.pdf
- https://cdn.shopify.com/s/files/1/0432/5956/0094/files/hp_probook_440_g5_i5_datasheet.pdf
- https://cdn.shopify.com/s/files/1/0433/4606/7621/files/deluko.pdf
- https://cdn.shopify.com/s/files/1/0433/0746/6916/files/mutipobuwiraxorezifako.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nagexonulelaxefirulilona.pdf
- https://cdn.shopify.com/s/files/1/0429/9515/5105/files/jiragadad.pdf
- https://cdn.shopify.com/s/files/1/0433/2204/8667/files/sea_cadets_uniform_badge_placement_uk.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61286624564.pdf
- https://cdn.shopify.com/s/files/1/0434/1035/8439/files/16857739627.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dubisetebezurazoxodo.pdf
- https://cdn.shopify.com/s/files/1/0429/8702/8641/files/fezuzajo.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_off0000812a.bin2d6b4b5ba2452d1dd8236f328f7848647414021b0193f9ae4ba36f0f39acc15f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x812A | 5608 bytes |
font_01_sfnt_off00009440.bin11b730aa707badf668f4da8dfb1501597fc9ff3729101a666e5403afaf23e5aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9440 | 14668 bytes |
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