Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0560c358c40e8fd…

MALICIOUS

PDF

72.5 KB Created: 2021-03-18 11:26:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: 907e87ec177f62c48c3b3cb15c4afe2b SHA-1: 5d153a62029fd2f41a86e5e49b0666154c647ae6 SHA-256: a0560c358c40e8fdfdc855acac35becdf33722311a949a1824addea0b29ee01f
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. The embedded URL, https://lozipotod.ru/wix?keyword=relic+hybrid+watch+instructions, is likely used to deliver a malicious payload or redirect the user to a phishing site. The document body, though heavily obfuscated, contains keywords related to 'Relic hybrid watch instructions', suggesting a social engineering lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://lozipotod.ru/wix?keyword=relic+hybrid+watch+instructions PDF link annotation
    • http://thehensleys.org/75605045576930dj.pdfIn PDF document text
    • http://legendnat.space/965816682452e15x.pdfIn PDF document text
    • http://all-casino.xyz/globo_reporter_brasileiros_na_alemanhae5ru2.pdfIn PDF document text
    • http://blankid.ru/why_dark_knight_joker_is_best9np8z.pdfIn PDF document text
    • http://kneeksi.ru/4580820098182emy.pdfIn PDF document text
    • https://cdn.sqhk.co/pefisemise/jjiaieU/healthy_vegan_lunch_recipes_for_work.pdfIn PDF document text
    • http://lngcliente.com/518149410587w8dg.pdfIn PDF document text
    • http://hookup755.fun/my_hero_academia_two_heroes_freeje718.pdfIn PDF document text
    • https://cdn.sqhk.co/bugabowozi/Thrq7zn/multichoice_diski_challenge_results_2019.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gatapin.rf.gd/80752226396.pdfIn PDF document text
    • https://s3.amazonaws.com/sevoga/14662485919.pdfIn PDF document text
    • https://s3.amazonaws.com/fajixe/jalawukurekonofol.pdfIn PDF document text
    • http://zeviruzokosobi.epizy.com/4820673292.pdfIn PDF document text
    • https://s3.amazonaws.com/tapelu/busybox_apk_pure.pdfIn PDF document text
    • http://jekutekovemimav.rf.gd/36215340809.pdfIn PDF document text
    • http://virilos.epizy.com/buterunelegubagasujewa.pdfIn PDF document text
    • https://s3.amazonaws.com/gosete/38753285793.pdfIn PDF document text
    • http://megutid.epizy.com/62040450131.pdfIn PDF document text
    • http://bimibukiju.rf.gd/best_single_k_cup_coffee_maker_2020.pdfIn PDF document text
    • http://botovomevagexe.epizy.com/90483246168.pdfIn PDF document text
    • http://rawuzogese.rf.gd/basics_of_html_and_css.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000df58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF58 5368 bytes
SHA-256: ea183f72df830d05889be7768706afa9b19440e11db3ae6073fc03b617fecf2f
font_01_sfnt_off0000f1a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1A7 10288 bytes
SHA-256: d61399742bd0e624aaaff6bab1791379dc97f996886de765b4f2845ab531fa07

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