Malicious PDF — malware analysis report

Static analysis result for SHA-256 04eb00e245d35521…

MALICIOUS

PDF

77.9 KB Created: 2021-02-18 23:06:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 3c3883bd158945bb7379b352505cce2a SHA-1: 7a7a4c68ec04a390f8216e3deb321b675ad41908 SHA-256: 04eb00e245d355210664367f131d26aee964ae5b478f4575c46281998a42aedc
126 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous URLs pointing to disposable domains and link farms, suggesting an attempt to distribute malware or phish for information. The document body, though heavily obfuscated, appears to be a lure for 'Xanathar's guide to everything free', a common tactic for distributing pirated or malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://druttle.ru/wix?keyword=xanathar%2527s+guide+to+everything+free PDF link annotation
    • https://dotanivim.weebly.com/uploads/1/3/4/7/134705276/a5d8a74c.pdfIn PDF document text
    • https://cdn.sqhk.co/sadirorig/tpge2gf/remote_control_tv_pour_android_apk_uptodown.pdfIn PDF document text
    • http://iminn.ru/guardar_fotos_de_whatsapp_en_galeria_androidjhc6i.pdfIn PDF document text
    • http://maxist.ru/waltz_in_a_minor_guitar_sheet4gupv.pdfIn PDF document text
    • http://vostokzapad.su/796097010157971h.pdfIn PDF document text
    • https://ponozivodu.weebly.com/uploads/1/3/0/7/130775347/jodujoneburudesame.pdfIn PDF document text
    • http://natur-bio.space/nadapikunogege48hr0.pdfIn PDF document text
    • http://usacreditcheck.info/41182093989d6uus.pdfIn PDF document text
    • http://bred-enligne.com/29119095605vnr9z.pdfIn PDF document text
    • http://helpverifedbadges.com/download_baidu_browser9zb2g.pdfIn PDF document text
    • http://lazerepil.site/aorta_and_its_branches_anatomy7sybj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409417/normal_5fe76fe66cd4a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451374/normal_5fe7076450d81.pdfIn PDF document text
    • http://mainsale.info/game_center_app_androidqqctz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489032/normal_600690ef7f10f.pdfIn PDF document text
    • https://cdn.sqhk.co/jomububorava/Nkjcibo/pottery_barn_baby_bedding.pdfIn PDF document text
    • https://cdn.sqhk.co/sibamoxa/Dsgdgfo/89893379436.pdfIn PDF document text
    • https://wotujajatedigi.weebly.com/uploads/1/3/5/2/135295120/1154591.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dedd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEDD 5312 bytes
SHA-256: 15c472c37242174f315c8efd43ab6eee1cb84938fb2f37b51cea41896699e37a
font_01_sfnt_off0000f0f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0F9 10536 bytes
SHA-256: 1ff32571f9bf0fb82e9b93e7a952ae171c27fff48efe608d7a247743a03ad68f
font_02_sfnt_off00011532.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11532 16232 bytes
SHA-256: e1fcaa290bc8b5aed85f312864440120c61db6abd2add9737883d56687aaee62

Open this report in the interactive analyzer, or submit your own file for analysis.