MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous embedded links, many of which point to a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector, ttraff.cc, 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.cc/pify?keyword=resident+evil+5+albert+wesker+mod
- http://files.ctefaculty.com/uploads/1/3/2/6/132695839/2265389.pdf
- http://files.splms.org/uploads/1/3/1/4/131482968/7986328.pdf
- http://sugovip.cyclingcapecod.com/uploads/1/3/0/7/130739591/8684944.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/2509/7126/files/9996781304.pdf
- https://cdn.shopify.com/s/files/1/0432/1614/2497/files/jay_z_lost_one.pdf
- https://cdn.shopify.com/s/files/1/0434/9594/8454/files/metal_cutting_machine_tools_textbook.pdf
- https://cdn.shopify.com/s/files/1/0440/6332/6358/files/72357742298.pdf
- https://cdn.shopify.com/s/files/1/0434/6842/3334/files/php_explode_function.pdf
- https://cdn.shopify.com/s/files/1/0432/6375/4404/files/tofevelekugusufekexuwu.pdf
- https://cdn.shopify.com/s/files/1/0433/7837/6867/files/ariana_grande_popular_song.pdf
- https://cdn.shopify.com/s/files/1/0432/1322/6143/files/88739163642.pdf
- https://cdn.shopify.com/s/files/1/0434/7743/4525/files/1434400180.pdf
- https://cdn.shopify.com/s/files/1/0437/8047/2984/files/48724606955.pdf
- https://cdn.shopify.com/s/files/1/0433/3309/1480/files/74929500913.pdf
- https://cdn.shopify.com/s/files/1/0447/3815/0549/files/censorship_in_media.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f171.binf9fe86b26ca6a13d8129293aa5b141e7f1d6a9a2b45689b879ab9bae540d9e84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF171 | 4184 bytes |
font_01_sfnt_off0000ffff.binad210e321fbef5b2bfcc66384a5f7450c423b09cf41ef25c1397b2fb430fee6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFFF | 5456 bytes |
font_02_sfnt_off00011290.bina40abf27d89946a6850e160ab10786a2de9004219370b0fb7a5c0d460f64001e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11290 | 11692 bytes |
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