Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7e56e4dc9ea3657…

MALICIOUS

PDF

77.0 KB Created: 2021-03-02 00:12:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ffbec499df7e5f10f83b762a6ca649d SHA-1: 42a3d5f36241db796dab1288dc7dccd6f0d1f696 SHA-256: e7e56e4dc9ea3657ac7febaad88f38d475ce179b9151b27dafc357c9668751b3
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. An external URI pointing to 'https://xezojetit.ru/wix?keyword=roblox+studio+wikihow' was detected, suggesting a phishing or malware distribution lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing attack, likely using a spearphishing attachment vector.

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://xezojetit.ru/wix?keyword=roblox+studio+wikihow
    • http://masanakepatarar.iblogger.org/91155299460.pdf
    • http://nezowigivomi.scienceontheweb.net/43153606096.pdf
    • https://static.s123-cdn-static.com/uploads/4427783/normal_5fd0391e5ee53.pdf
    • https://cdn.sqhk.co/bowawugafux/if0hehi/price_comparison_black_friday_deals_price_tracker.pdf
    • https://static.s123-cdn-static.com/uploads/4388183/normal_5fec1332582f7.pdf
    • https://static.s123-cdn-static.com/uploads/4458854/normal_6008b5b80afb1.pdf
    • https://cdn.sqhk.co/satukevaguka/DamThda/superhero_academy_battle_vs_zombie.pdf
    • http://gixuzozubo.22web.org/financial_reporting_analyst_responsibilities.pdf
    • https://cdn-cms.f-static.net/uploads/4463266/normal_5fd68e6715de6.pdf
    • https://cdn-cms.f-static.net/uploads/4474734/normal_6037b5dbe489b.pdf
    • https://cdn.sqhk.co/sewadokoka/Qjbhgif/best_hits_2019_pop.pdf
    • https://cdn.sqhk.co/fapiwejagiz/ax0GPep/90s_dance_hits_philippines_remix.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://ginokiximoz.rf.gd/dell_optiplex_3010_mt_review.pdf
    • http://wewixokadun.epizy.com/cinderella_ate_my_daughter_quotes.pdf
    • http://jasunusemoki.onlinewebshop.net/10978432780.pdf
    • http://xoxerulegud.epizy.com/17878955664.pdf
    • http://tujefozumuresul.epizy.com/wazogogulavumov.pdf
    • http://tefetuzuzip.myartsonline.com/35419665956.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.

FilenameKindSourceSize
font_00_sfnt_off0000e448.bin
4eaa2452ee82e4ed09799748ceda196c171301a4d8f46cef25b8d0da30b92acb
pdf-font-stream PDF embedded font (sfnt) at offset 0xE448 4636 bytes
font_01_sfnt_off0000f422.bin
2b0ca42003de54bd9408be942ef2a564f8488fda71aa5dbdc62fd70bc9194f52
pdf-font-stream PDF embedded font (sfnt) at offset 0xF422 10724 bytes
font_02_sfnt_off000118f0.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361
pdf-font-stream PDF embedded font (sfnt) at offset 0x118F0 4324 bytes