MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure at ttraff.ru. The document body, though heavily obfuscated, contains the string 'polycom hdx 4500 datasheet' and the malicious URL, suggesting a lure to disguise the malicious intent. The ML classifier strongly supports the malicious verdict.
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=polycom+hdx+4500+datasheet
- http://files.behindthebars.org/uploads/1/3/0/7/130739258/puzikev-gojodekuxes-rogafodavas.pdf
- http://files.littlelotuscafe.com/uploads/1/3/0/7/130740617/jotusib.pdf
- http://files.nordicwalkinglondon.com/uploads/1/3/1/4/131437806/zaguk-dimebefir-nivekurixiwo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/7223/9269/files/24682026835.pdf
- https://cdn.shopify.com/s/files/1/0439/6164/7262/files/wipesogivomodiju.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2283550224.pdf
- https://cdn.shopify.com/s/files/1/0435/3127/2346/files/verbal_ability_and_reading_comprehension_by_ajay_singh.pdf
- https://cdn.shopify.com/s/files/1/0430/2041/9226/files/87597212780.pdf
- https://cdn.shopify.com/s/files/1/0441/2263/6440/files/illegal_pill_identifier_with_pictures.pdf
- https://cdn.shopify.com/s/files/1/0434/7202/7814/files/human_sectional_anatomy_ellis.pdf
- https://cdn.shopify.com/s/files/1/0432/8062/9913/files/waxelabimukamisa.pdf
- https://cdn.shopify.com/s/files/1/0432/2282/7165/files/21565031501.pdf
- https://cdn.shopify.com/s/files/1/0438/2159/6834/files/game_of_thrones_minecraft_map.pdf
- https://cdn.shopify.com/s/files/1/0427/4287/4278/files/sinos.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_off00005932.binfb2469f4c58e61587ce5b7bc29045edb5689e910210b6de9d8d8a15c20de576c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5932 | 5608 bytes |
font_01_sfnt_off00006c35.bin435bd1e46966e8bf9d5b71dd908d353d401ae5d0aadc9f818987ddc37f80ce2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C35 | 10792 bytes |
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