PDF malware analysis — malicious · d05f89c64e8ca889

MALICIOUS

PDF

67.6 KB Created: 2021-02-16 07:12:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0251a15188130d482eea1af61e6bdc94 SHA-1: 2970446441666a2d9251286ffcb56f8f1c9c3b5b SHA-256: d05f89c64e8ca889b5e672eec6206ff39251e1925c8d1acdd4ebfe4448fcfee7

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that redirects to a suspicious domain, likely intended to host a malicious payload or phishing page. The document body, though heavily obfuscated, suggests a lure related to a book summary, which is a common tactic for phishing and malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://jacksth.ru/strik?utm_term=harry+potter+book+5+summary
- https://static.s123-cdn-static.com/uploads/4473375/normal_5ff42bb39bc5e.pdf
- http://pufaxokijajijev.22web.org/paper_flower_template_cricut.pdf
- https://zeraxoxuret.weebly.com/uploads/1/3/4/6/134642117/dupexadomoxi.pdf
- http://vonowaz.iblogger.org/dodukirolutufewowos.pdf
- https://static.s123-cdn-static.com/uploads/4461245/normal_5fee6a3318359.pdf
- https://nokesopupikes.weebly.com/uploads/1/3/4/7/134767934/gezofanoduluwifiziwa.pdf
- https://static.s123-cdn-static.com/uploads/4366369/normal_5fc5a954e4ec2.pdf
- https://sirowatogiwu.weebly.com/uploads/1/3/2/8/132814809/dea040752.pdf
- https://static.s123-cdn-static.com/uploads/4386361/normal_5fe56aeb636c5.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://bumupumelagel.epizy.com/36825815818.pdf
- http://gajibapudi.rf.gd/kitty_catsanova_guide.pdf
- http://xegilejefaga.epizy.com/nanalufanamonip.pdf
- https://s3.amazonaws.com/penefelomiju/diablo_3_demon_hunter_guide_switch.pdf
- https://s3.amazonaws.com/jezaxojipevu/aliens_in_the_attic_imdb_parents_guide.pdf
- http://wogurep.epizy.com/yellowhammer_report_government_website.pdf
- https://s3.amazonaws.com/pazovugal/51034597228.pdf
- http://xuxivobanirug.epizy.com/3d_text_effect_illustrator_free.pdf
- https://s3.amazonaws.com/zozuxukoxo/tv_show_page_template.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_off0000cc91.bin` `f518922de036d4ecda4f2c8814be79e1c64e6f58334da82f220e7332a3ed82ae`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCC91	5324 bytes
`font_01_sfnt_off0000de9f.bin` `f9c5800f338bdffc18aebbda4078997b320551b7b163eb551cc5c07f93c511d9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDE9F	10232 bytes

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