PDF malware analysis — malicious · 7a65f75e1e9f4f5c

MALICIOUS

PDF

90.3 KB Created: 2021-03-10 10:24:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 05f0d351f237861dfb1737aafe710316 SHA-1: ba61647d801246bd4dad920de22a2a1324905ce1 SHA-256: 7a65f75e1e9f4f5c83a99909738aa5d4a2d7e51d94be80729dead4d676a5132b

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI pointing to a suspicious domain, and ClamAV detection confirms its malicious nature. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily corrupted, contains text fragments related to 'Wow classic herbalism guide wowhead', suggesting a lure to trick users into visiting the external URL.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://resalured.ru/123?utm_term=wow+classic+herbalism+guide+wowhead
- http://wugumonisukanib.sportsontheweb.net/tatuloduvaji.pdf
- https://vojumemij.weebly.com/uploads/1/3/4/4/134473557/sokoju-rolud.pdf
- http://rakuxijewimafud.22web.org/2598217627.pdf
- https://cdn.sqhk.co/xakelafu/eQhdtha/brain_training_exercises_online.pdf
- https://putumilaw.weebly.com/uploads/1/3/1/3/131380263/566d518.pdf
- https://cdn.sqhk.co/milibotobov/dhbjajh/among_us_mod_menu_iphone_apk.pdf
- https://zotagozugub.weebly.com/uploads/1/3/0/7/130739891/tuxidizaw_redasajene_bixikox_jakidiwitimifav.pdf
- https://pewarefat.weebly.com/uploads/1/3/4/3/134361746/6e875.pdf
- http://lezigovedavide.getenjoyment.net/what_is_the_gpi_of_an_arrow.pdf
- http://nonowun.mywebcommunity.org/dufemas.pdf
- https://xaviguvugunaji.weebly.com/uploads/1/3/5/3/135313722/gusasas.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://lejonawazemu.rf.gd/seziko.pdf
- http://rikexulekoj.epizy.com/tu_puedes_sanar_tu_vida_libro.pdf
- http://vidugozu.atwebpages.com/pizen.pdf
- http://vilepobafomunow.atwebpages.com/dark_souls_3_guia_completa.pdf
- http://fusiwati.epizy.com/24096551050.pdf
- https://s3.amazonaws.com/tafogusegabomu/logitech_f710_controller.pdf
- https://s3.amazonaws.com/vogubivajavofu/atlas_of_anatomy_thieme.pdf
- https://s3.amazonaws.com/marimejerebo/how_to_calculate_flow_rate_from_a_manometer.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_off0001241c.bin` `9831ef887407dda57c5c50f5e022c438cdff64a562656c20fdb18852c47b0a9c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1241C	5596 bytes
`font_01_sfnt_off0001370c.bin` `5d7ff9ea0a581cb9361f4f6f1bc731a6f08c056d90d034b3d7647583892537d2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1370C	10852 bytes

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