PDF malware analysis — malicious · 641d9f284413407c

MALICIOUS

PDF

178.9 KB Created: 2021-05-26 02:40:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9acd960417776c31cf10d1bc5bc2b859 SHA-1: 2b2abbcb0566e9834a161c00858f50553bd5643f SHA-256: 641d9f284413407cc08c640dd6616f073a8e3a1952aec126b9a2d1550e30d105

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that redirects to a malicious domain, disguised as search results for popular media. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the presence of an external URI and the overall classification suggest a phishing attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://kuzutuzo.ru/strik?utm_term=chiranjeevi+old+songs+audio+video+telugu
- https://rofupujo.weebly.com/uploads/1/3/4/3/134335987/lukiwujiz-rexenuf-vujatomofur-junemujumoxesu.pdf
- https://walafikug.weebly.com/uploads/1/3/2/7/132740659/572d36ad87.pdf
- https://cdn-cms.f-static.net/uploads/4473322/normal_602d4135a8dbd.pdf
- https://jaligudupu.weebly.com/uploads/1/3/5/3/135391073/5987716.pdf
- https://cdn-cms.f-static.net/uploads/4461744/normal_60109e5933183.pdf
- https://powirubojeti.weebly.com/uploads/1/3/1/4/131482959/3561293.pdf
- https://cdn-cms.f-static.net/uploads/4458614/normal_5fe98e1f54c16.pdf
- https://ligelonajoka.weebly.com/uploads/1/3/1/4/131407163/7376f0f389.pdf
- https://sitegevom.weebly.com/uploads/1/3/4/6/134664280/meruvujimalokes.pdf
- https://solupufaposedi.weebly.com/uploads/1/3/1/8/131857421/cf1bbdfa00b.pdf
- https://cdn-cms.f-static.net/uploads/4473041/normal_606b540f4830b.pdf
- https://static.s123-cdn-static.com/uploads/4468571/normal_5ff02d91edb2e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/bepukuba/satta_king_desawar_gali_ki_report.pdf
- https://s3.amazonaws.com/zafibimutadoti/it_chapter_2_final_trailer_music.pdf
- https://s3.amazonaws.com/tanikanaw/tasazesirip.pdf
- https://s3.amazonaws.com/fapaga/simon_chimbetu_tenda.pdf
- https://s3.amazonaws.com/rozebofukixus/agbada_formation_niger_delta.pdf
- https://s3.amazonaws.com/benuka/fozabuxusol.pdf
- https://s3.amazonaws.com/bejenosugede/presto_16_qt_pressure_canner_gasket.pdf
- https://s3.amazonaws.com/dezajok/71858642295.pdf
- https://s3.amazonaws.com/lakadutof/46684545178.pdf
- https://s3.amazonaws.com/bidemewufa/honda_express_for_sale_ebay_uk.pdf
- https://s3.amazonaws.com/wapabefizosumi/calendar_septembrie_2019.pdf
- https://s3.amazonaws.com/wizomoravazub/program_samsung_tv_remote_for_lg_blu_ray.pdf
- https://s3.amazonaws.com/zidenigad/matibinujosi.pdf
- https://s3.amazonaws.com/jefazaxal/80596455099.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_off00028761.bin` `0b209829a9314161cdd732b52c3049d6beae6ce519145765816c020db999b19e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x28761	5128 bytes
`font_01_sfnt_off000298d0.bin` `12e6cd9b8e4604e75aab0a6c8f738cf8feb561464cf18f9eb97df73648ad09ec`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x298D0	11244 bytes

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