MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF containing numerous external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. One of the external links, 'https://trafftec.ru/123?utm_term=giao+phan+xuan+loc', is directly embedded and flagged as suspicious. ClamAV also detected it as 'Pdf.Phishing.Trojan'. The presence of embedded links and the heuristic firings suggest a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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External URI info PDF_URIPDF contains an external URL action
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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://trafftec.ru/123?utm_term=giao+phan+xuan+loc
- https://cdn-cms.f-static.net/uploads/4390069/normal_5fa5df4e41ece.pdf
- https://cdn-cms.f-static.net/uploads/4367273/normal_5f8f7a729f2ce.pdf
- https://cdn-cms.f-static.net/uploads/4404293/normal_5faf5153f13c4.pdf
- https://dirojobadenanew.weebly.com/uploads/1/3/4/1/134109317/60cc330b06235.pdf
- https://cdn-cms.f-static.net/uploads/4409238/normal_5f96f113422fb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/43682788-a94f-4578-a697-13a6824ffab1/vitruvius_on_architecture.pdf
- https://s3.amazonaws.com/sefukirexuwekij/beyond_the_diet_meal_plans.pdf
- https://s3.amazonaws.com/libowebujakux/collar_t_shirt_template_png.pdf
- https://s3.amazonaws.com/zetare/rig_veda_sandhyavandanam_in_hindi.pdf
- https://uploads.strikinglycdn.com/files/91db6e34-e58d-40f0-9247-742f80d872cb/79079322636.pdf
- https://s3.amazonaws.com/jexijer/jio_4g_voice_call_app_for_pc.pdf
- https://uploads.strikinglycdn.com/files/f39f9df1-3fee-4ee2-8582-dee4449bb122/nolijekixefixarida.pdf
- https://uploads.strikinglycdn.com/files/1584ddb6-d869-42a9-9be6-ddedf1c6e117/kukowaliragedujogowiz.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_off00012fc8.binbb30ada095ac9efb3f6d875ae0d32770850536bbafc21625a8ec3d13d25f92b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FC8 | 4848 bytes |
font_01_sfnt_off0001404e.bin43a0fb4a641ea281fde77f35f3112f5f9328e7a98a5588b13125d8753d8f2423 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1404E | 23708 bytes |
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