MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains text suggesting it is a manual for an Audi Q5, which is likely a lure. The presence of numerous external PDF links also indicates a link farm, a common tactic for SEO manipulation or distributing malicious content. No scripts were extracted, but the primary malicious activity appears to be redirecting users to a potentially harmful URL.
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=manual+instrucciones+audi+q5+2016
- http://files.mariannewardart.com/uploads/1/3/0/7/130775361/piforatoziwok.pdf
- http://files.fusaroconsulting.com/uploads/1/3/1/1/131163635/posejax_joguv.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/3576/1562/files/free_printable_certificate_of_achievement_template.pdf
- https://cdn.shopify.com/s/files/1/0429/7719/8229/files/73792052170.pdf
- https://cdn.shopify.com/s/files/1/0441/2869/8520/files/ceruleum_field_ffxiv.pdf
- https://cdn.shopify.com/s/files/1/0430/2897/1681/files/fujofaniturigu.pdf
- https://cdn.shopify.com/s/files/1/0435/7668/8798/files/powokotaruwetuxurag.pdf
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/automatic_transmission_gearbox.pdf
- https://cdn.shopify.com/s/files/1/0434/2788/9302/files/fuzuwudaki.pdf
- https://cdn.shopify.com/s/files/1/0428/2908/6876/files/weragidi.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ab00.bin59f7bf12ff288d927c09f1d04a87575b4d12ec1bf129124fd67b986d950a0be5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB00 | 5668 bytes |
font_01_sfnt_off0000be5e.binaaccca40f480302b1415064b745369c35688b43948dd3e184e60a29de9520d85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE5E | 14824 bytes |
font_02_sfnt_off0000ed24.bin84d5bd19c210eb3b73ecc14096ab1e56fdfb5b80ce7ba4f0052c67c0c2b02727 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED24 | 16060 bytes |
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