MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external resources, indicating a link farm or SEO spamming attempt. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. The presence of numerous links suggests an attempt to drive traffic to potentially malicious sites.
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=espn+usa+tv+guide
- http://files.hightechtintplus.com/uploads/1/3/2/3/132302973/47aff28564.pdf
- http://files.linkesculpture.com/uploads/1/3/1/8/131856158/nekikopabe_bisop_gudoneve.pdf
- http://kepaveb.kcpuppetree.com/uploads/1/3/1/4/131453495/6937523.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0434/7048/7702/files/munasuto.pdf
- https://cdn.shopify.com/s/files/1/0430/9981/6090/files/ruximilugixeludimegapode.pdf
- https://cdn.shopify.com/s/files/1/0440/1758/2230/files/83665013979.pdf
- https://cdn.shopify.com/s/files/1/0447/3182/6325/files/avadhuta_gita_download.pdf
- https://cdn.shopify.com/s/files/1/0434/6223/0181/files/definition_of_international_conflict.pdf
- https://cdn.shopify.com/s/files/1/0430/7392/9378/files/losufefirosexewi.pdf
- https://cdn.shopify.com/s/files/1/0428/2590/8383/files/sakodekulopetukesaxir.pdf
- https://cdn.shopify.com/s/files/1/0430/6557/3537/files/lidodejopixazogi.pdf
- https://cdn.shopify.com/s/files/1/0429/2712/8735/files/41096781883.pdf
- https://cdn.shopify.com/s/files/1/0437/7939/1646/files/kaluvebesaditovol.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_off0000532a.bin0b9320782a97d9b223f525861b9b694b2d7909461b70bd3c857cb49690f9352d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x532A | 4788 bytes |
font_01_sfnt_off00006384.bin66af206702f5406684ee2c72469ed6c5a6e0479ce8d9069e05c6fe8457552490 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6384 | 10444 bytes |
font_02_sfnt_off00008737.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8737 | 4324 bytes |
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