MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF contains a large number of embedded links, with the primary link pointing to a known malicious redirector. The document body, though partially corrupted, contains text related to 'Van halen tour dates 2015' and the wkhtmltopdf generator, suggesting a lure for search engine optimization poisoning. The ML classifier strongly indicated maliciousness, supporting the presence of a malicious redirector and a link farm.
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=van+halen+tour+dates+2015
- http://files.amyhouts.com/uploads/1/3/1/4/131407901/4594145.pdf
- http://files.clairesanimalaffinity.com/uploads/1/3/1/1/131164157/metutifomuniki_vewamasomefan_mulizap_bazopo.pdf
- http://files.cresteducator.com/uploads/1/3/0/8/130874160/7640449.pdf
- https://cdn.shopify.com/s/files/1/0431/7511/6964/files/14813981522.pdf
- https://cdn.shopify.com/s/files/1/0435/1950/8634/files/27986412427.pdf
- https://cdn.shopify.com/s/files/1/0430/3552/5282/files/sowadefowutogulet.pdf
- https://cdn.shopify.com/s/files/1/0429/6274/7545/files/47434482249.pdf
- https://cdn.shopify.com/s/files/1/0437/1618/2184/files/chitiya_kalaiya_song._com.pdf
- https://cdn.shopify.com/s/files/1/0436/1525/6738/files/xarixujolakafimoxapo.pdf
- https://cdn.shopify.com/s/files/1/0439/1154/4987/files/11501436466.pdf
- https://cdn.shopify.com/s/files/1/0432/6830/9152/files/papuvozusuvunoru.pdf
- https://cdn.shopify.com/s/files/1/0434/9270/4408/files/dutetego.pdf
- https://cdn.shopify.com/s/files/1/0436/9481/7435/files/63347114342.pdf
- https://cdn.shopify.com/s/files/1/0430/3234/6773/files/79288543815.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000064fe.binfb299d1e12283cf632439309be89d3e1d8b57b348a556534234d17fdeece039d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64FE | 5164 bytes |
font_01_sfnt_off00007685.bin6540ad77c0458fcd54a8a75b15bfcf0da1b02a641615d9e383a156aa752bd605 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7685 | 10720 bytes |
font_02_sfnt_off00009b33.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B33 | 4324 bytes |
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