MALICIOUS
212
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to link farms designed for SEO manipulation. One critical heuristic indicates a direct link to a known malicious redirector, ttraff.ru, which is used to lure users to malicious sites. The document body itself contains text related to a service manual, likely a lure to encourage clicks on the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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ClamAV: Pdf.Dropper.Agent-9108962-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-9108962-0
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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/wb?keyword=accuphase%20e-302%20service%20manual
- http://files.farmacybotanical.com/uploads/1/3/2/3/132302973/xutitogesafa-lixoreriberexik-larowuwonubola.pdf
- http://files.metalmeltdown.com/uploads/1/3/0/7/130775755/36f932b68a.pdf
- http://files.rebelliousrheaboutique.shop/uploads/1/3/1/4/131406413/2090860.pdf
- http://files.learnmeraprojects.com/uploads/1/3/2/6/132695493/9522555.pdf
- http://files.troutbum.ca/uploads/1/3/2/7/132710655/046c6686a.pdf
- http://files.midatlanticmagic.com/uploads/1/3/1/3/131379552/fiwuxopugo.pdf
- https://fisimixaje.files.wordpress.com/2020/06/weferatekagizesa.pdf
- https://fenazudedo.files.wordpress.com/2020/06/lugoxisakonafaba.pdf
- https://pusetojax.files.wordpress.com/2020/06/zivawexururusegevabineko.pdf
- https://davonux.files.wordpress.com/2020/07/16367480178.pdf
- https://rudukaleditu308957543.files.wordpress.com/2020/06/43847525762.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/34707652888.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98223768302.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98973723668.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000510a.bin3a47b8f6983c20e6b4d107c3444908c28ffe25fc8cedfdb0f65dc1f8dc1fbd86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x510A | 5384 bytes |
font_01_sfnt_off0000632c.bine6e0391f97b3b79e3267e3ea15ab15c1cc58a8e20b05f0e092846010fe738053 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x632C | 15468 bytes |
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