MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains embedded URLs and is flagged by multiple heuristics as malicious, including a critical ClamAV detection for Pdf.Phishing.Trojan. The document body, though corrupted, suggests a lure related to an air conditioner manual. The presence of a large number of external links, including one to 'trafffe.ru', indicates a phishing or SEO link farm attack pattern. No scripts were extracted, but the overall structure and heuristic firings strongly suggest a malicious intent to redirect users to potentially harmful sites.
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://trafffe.ru/strik?utm_term=mitsubishi+air+conditioner+manual+rkw502a200
- https://juvuxoxeziw.weebly.com/uploads/1/3/4/3/134313380/rirumelal.pdf
- https://dowezepuxaku.weebly.com/uploads/1/3/4/4/134463959/kedosamodamizuj-letuduwido-kawojezisidifuv-wetigur.pdf
- https://cdn-cms.f-static.net/uploads/4446016/normal_5fa4c116316f5.pdf
- https://nimopiwezu.weebly.com/uploads/1/3/4/7/134700470/wazebifid.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/duzexefemosaxe/gorabana.pdf
- https://uploads.strikinglycdn.com/files/7c6579e1-c95e-4e2c-af2c-62d291ae9673/amsco_algebra_2_and_trigonometry_tex.pdf
- https://s3.amazonaws.com/rivazixexuguri/21935741686.pdf
- https://s3.amazonaws.com/nalifij/destino_sur_hotel_spa_de_montana.pdf
- https://uploads.strikinglycdn.com/files/21835d46-ca83-45b8-be08-f1b0924c0b82/coraline_-_rsum_par_chapitres.pdf
- https://s3.amazonaws.com/juvuwaterexaf/63214907792.pdf
- https://s3.amazonaws.com/xanebavifamopez/kowomepejugovajuwikuzuwan.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_off0000d08b.bine893b4712e9e74773077be6d5cb43e1ef10d7505dbb39c00805c3bd7694ddc73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD08B | 5880 bytes |
font_01_sfnt_off0000e47f.bin3719b58e13759c657561da3fa7d5b8945b76c491a5de6cc4a3f0ad322aae555a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE47F | 10664 bytes |
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