PDF malware analysis — malicious · d9c057d9f0229a49

MALICIOUS

PDF

92.3 KB Created: 2021-02-17 03:12:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b505d28d495d9def0f05509e4b4c8053 SHA-1: 1741b8bd23fdc9c2850fe5f53d22d1053019afc3 SHA-256: d9c057d9f0229a496f543d07633b5d9b23f3360897da62d3a1403d724edb2834

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, identified by heuristics and a machine learning classifier as malicious. The ClamAV detection further confirms its malicious nature. The document body, though heavily obfuscated, suggests a lure related to a 'guide', which is consistent with phishing or malware delivery tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

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/wix?keyword=mage+arena+pure+guide
- https://cdn-cms.f-static.net/uploads/4452861/normal_600b77da9006d.pdf
- https://cdn.sqhk.co/ruperodu/aEjf4ie/shaolin_kung_fu_basic_training.pdf
- https://static.s123-cdn-static.com/uploads/4446272/normal_5fccaf9c56485.pdf
- https://nutipofuvi.weebly.com/uploads/1/3/5/3/135310868/ratirejusupo-butawefowulila.pdf
- https://cdn.sqhk.co/fenazijeguk/hjrV1Wl/womilemibawetarurabi.pdf
- https://gikowotezura.weebly.com/uploads/1/3/4/4/134493608/3081218.pdf
- https://static.s123-cdn-static.com/uploads/4475559/normal_5ff865d8c5998.pdf
- https://cdn.sqhk.co/nigalasiline/jdYHHig/movukoxota.pdf
- https://cdn.sqhk.co/rorajakura/GNghih9/idle_tap_bowling_mod_apk_android_1.pdf
- http://mimasajikataza.iblogger.org/solving_equations_gcse_answers.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://memegimowa.epizy.com/scrambled_words_worksheets_esl.pdf
- https://s3.amazonaws.com/naxizugenabi/bahubali_2_film_hd_video_song.pdf
- https://s3.amazonaws.com/gezizefefififa/bosch_divar_ip_5000_datasheet.pdf
- http://judimavazamo.epizy.com/vifuboji.pdf
- https://s3.amazonaws.com/vufuzewasi/88404749077.pdf
- http://munakazoxan.epizy.com/airport_city_hacks_android.pdf
- https://s3.amazonaws.com/daxemo/vixolurudezif.pdf
- http://dozonox.epizy.com/azhage_azhage_album_song_karaoke_free.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_off00012c50.bin` `d6bdf2ff9122c6745008e4d77cd9b70e2c042435f648234a803f48dc2f913b3d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12C50	4920 bytes
`font_01_sfnt_off00013d28.bin` `9773faa11baadaf9a63665f1756b4eda10f17903c97dde245a5989db84d7433f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13D28	11652 bytes

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