PDF malware analysis — malicious · 64a2645da2edf5fb

MALICIOUS

PDF

76.9 KB Created: 2021-03-21 00:49:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 63a744a2881ca218d906d6338e2aa009 SHA-1: 757a8241d800806f5d88ff787df3bef6dbab6391 SHA-256: 64a2645da2edf5fb6b1d84b7752c88effcfba0fc30a4811f4e867fe382a86326

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains an embedded URI pointing to 'resalured.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to games. No scripts were extracted, but the presence of external URIs and the overall malicious verdict indicate an attempt to redirect the user to a harmful resource.

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/wix?keyword=whack+your+ex+unblocked+games+76
- https://cdn-cms.f-static.net/uploads/4368970/normal_602a885d7965a.pdf
- https://cdn-cms.f-static.net/uploads/4470232/normal_5fe9d883660a7.pdf
- http://hristogrigorov.com/zovaxufubanivitueqnxa.pdf
- http://sexugaweguko.iblogger.org/kinafu.pdf
- http://bahis-sikayet.com/art_in_theory_1900_to_2000_freexykkq.pdf
- http://gufezonasu.iblogger.org/anti_bouncing_check_law_philippines.pdf
- http://loveantravel.xyz/me_before_you_trailer_espaolsiy4v.pdf
- http://seviregigaguz.22web.org/fasakidokutefasuzidet.pdf
- http://storeyou.store/how_to_change_calculator_to_radian_mode_casio_fx-9750gii6665r.pdf
- http://siditomema.22web.org/how_to_enable_flash_on_chrome_2020.pdf
- https://cdn-cms.f-static.net/uploads/4502246/normal_60241f0aa1117.pdf
- https://cdn-cms.f-static.net/uploads/4465250/normal_5fdaab1877e93.pdf
- http://findfreegirl.com/sedulakuwelidapimikilkmsom.pdf
- http://rexapeduke.66ghz.com/16734142099.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/mujesogi/minecraft_pe_skins_template.pdf
- https://s3.amazonaws.com/vaxebisapesi/mlab_android_tv_box_uhd_4k.pdf
- http://winenezufu.epizy.com/gidimazizofetex.pdf
- http://kesowodo.epizy.com/dd_spellbook_cards_deck_martial_powers_and_races.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_off0000ea29.bin` `15e189a3803be78d7ae1fdf4e967e74fbe66fc5f8b786d366359bb9de173bddf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEA29	5972 bytes
`font_01_sfnt_off0000fe74.bin` `057a196c93830c46f8d81a6d32fc20184747243c1770a6e55289f314fd0ea081`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFE74	11940 bytes

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