MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically `https://ttraff.ru/pify?keyword=av+malformation+gi`. Additionally, it exhibits a PDF link farm behavior, embedding numerous external PDF links, with the first identified as `https://cdn.shopify.com/s/files/1/0433/6756/3429/files/canterbury_tales_urdu_translation.pdf`. The ML classifier also strongly flagged this PDF as malicious. These indicators suggest the PDF is designed to lure users to malicious sites or a network of linked content.
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=av+malformation+gi
- http://jorisovi.ragsandrust.co.uk/uploads/1/3/1/3/131383544/bunurabuz.pdf
- http://tivuteku.blackbeltacademyfortpayne.com/uploads/1/3/1/8/131871921/getidanun_defigufipomado_kefelevojusiw.pdf
- http://fekiwonup.craftdrones.com/uploads/1/3/1/3/131383544/gerimudilizo-selefobosovo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/6756/3429/files/canterbury_tales_urdu_translation.pdf
- https://cdn.shopify.com/s/files/1/0433/4754/2175/files/jipabilifinuluzedenawum.pdf
- https://cdn.shopify.com/s/files/1/0431/4729/6922/files/17368036730.pdf
- https://cdn.shopify.com/s/files/1/0427/5165/6102/files/wejovezolelot.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/basugogigarerebid.pdf
- https://cdn.shopify.com/s/files/1/0432/7289/6672/files/foduwemapipisuratolizo.pdf
- https://cdn.shopify.com/s/files/1/0438/0642/5249/files/sugobapim.pdf
- https://cdn.shopify.com/s/files/1/0447/1685/1356/files/kibelubagikazuwalul.pdf
- https://cdn.shopify.com/s/files/1/0433/7605/0330/files/tinkers_construct_guide_1._12._2.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_off000069fa.binc2eca39d43b31fdc39beac3af51574f0cbad8a0d6965be0894bedc4a878e9bcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69FA | 4956 bytes |
font_01_sfnt_off00007ac7.bin6ffeeaf02df664138556dc87a892ef7729b597c0d2232571de0172eda502cf0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AC7 | 10308 bytes |
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