MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which is identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to a 'Pioneer avh- x4500bt manual'. The presence of numerous PDF links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to disguise malicious intent. The ML classifier strongly flagged this PDF as malicious.
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.com/pify?keyword=pioneer+avh-+x4500bt+manual
- http://vupiv.foxfieldrecoverymission.org/uploads/1/3/2/3/132302868/kanipuwubug.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/6858/8194/files/kalutazajurun.pdf
- https://cdn.shopify.com/s/files/1/0429/4072/7463/files/wesofudigapow.pdf
- https://cdn.shopify.com/s/files/1/0437/9289/2053/files/classic_wow_alliance_warlock_leveling_guide.pdf
- https://cdn.shopify.com/s/files/1/0435/4709/9287/files/gulebutajebaj.pdf
- https://cdn.shopify.com/s/files/1/0433/3161/6923/files/kalajogelezu.pdf
- https://cdn.shopify.com/s/files/1/0439/0486/0328/files/arabian_peninsula_map.pdf
- https://cdn.shopify.com/s/files/1/0437/8460/1752/files/50980113226.pdf
- https://cdn.shopify.com/s/files/1/0432/8525/0216/files/gatatejazaxofaxiwunubem.pdf
- https://cdn.shopify.com/s/files/1/0431/4831/2736/files/information_system_analysis_and_design_syllabus.pdf
- https://cdn.shopify.com/s/files/1/0437/7460/7514/files/36773882171.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_off00004457.bin570eb56e0958046c3592bd371bb92abef3f263be071775bf8ea9bf32bf3f586f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4457 | 5404 bytes |
font_01_sfnt_off000056a3.bin880ab629a61333578a948b33bfd5f808161f1a2e215ce8dc94d719591b12b4cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56A3 | 9864 bytes |
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