PDF malware analysis — malicious · 64ad8c71e7356417

MALICIOUS

PDF

68.7 KB Created: 2021-02-12 13:02:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 85dbdc52be65ccba737ebb207ef3cd61 SHA-1: 42d80786b03b88b23f1c2f3f4374b075209325bd SHA-256: 64ad8c71e7356417176d11e45b554e1cea1d92df62542566c0ae3f3456cad6d2

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URL that redirects to a site disguised as a product manual, likely a phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI heuristic suggest it's designed to exploit users by directing them to malicious content.

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://druttle.ru/wix?keyword=oxo+barista+brain+manual
- http://expressday.online/idle_gun_tycoon_merge_shooting_games_unblockedyfjsa.pdf
- https://cdn.sqhk.co/guvawatuzax/gduijTn/27203748988.pdf
- http://atomlinux.com/16611491235j6cze.pdf
- https://cdn.sqhk.co/wukikanas/hdQJo04/moksha_yoga_saint_laurent_montreal.pdf
- https://cdn-cms.f-static.net/uploads/4476294/normal_60142f1ae00b4.pdf
- http://smartcreditus.info/lorejiramasadg5rpk.pdf
- http://itverys.space/90232923732de5qy.pdf
- https://cdn.sqhk.co/japokaxe/Uiipjgp/76503215382.pdf
- https://cdn.sqhk.co/lewikokezina/ZEigifJ/67324965584.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/pegek/video_er_for_twitter_app_iphone.pdf
- https://s3.amazonaws.com/divikufifir/48701319594.pdf
- https://s3.amazonaws.com/kotodur/anti-_formalist_rayok_translation.pdf
- https://s3.amazonaws.com/gidibesuxi/new_song_2019_pagalworld.pdf
- http://votitagupen.epizy.com/27515917644.pdf
- http://tixerewolulas.rf.gd/types_of_leadership_styles.pdf
- https://s3.amazonaws.com/vutame/expanding_sentences_worksheets_6th_grade.pdf
- https://s3.amazonaws.com/kijelopazekune/tukaroseku.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c4e0.bin` `ccd3e6df59b77d230b5d229b99f39a9bc8a291d74fbc0584a2f9e91909850332`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC4E0	4828 bytes
`font_01_sfnt_off0000d521.bin` `adad88c37a433337dcdda5b8b1d0202b0ab9b5bb06c2daf7dbd857beb6067894`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD521	10160 bytes
`font_02_sfnt_off0000f7e0.bin` `4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF7E0	4324 bytes

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