Malicious PDF — malware analysis report

Static analysis result for SHA-256 01eaeb359d3b87ca…

MALICIOUS

PDF

80.8 KB Created: 2021-06-16 20:44:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: 2ff613d1ee3882ff39b5e7c463324caa SHA-1: ed61bcf4c8ee60e53a1e54268d5f7ca77d54cc72 SHA-256: 01eaeb359d3b87ca14a48d57dad8bc12e95a4019a5475f5bdcacf3fcca81cc3e
156 Risk Score

Malware Insights

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

This PDF document functions as a link farm, directing users to various websites, many of which appear to be compromised WordPress installations. The primary lure is 'Xbox 360 game iso download free', suggesting a phishing or scam attempt to trick users into visiting these sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://oniceh.ru/uplcv?utm_term=xbox+360+game+iso+download+free PDF link annotation
    • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/b911cf81dd0e685efa5ca9ccc30ead80/logozodetorinelowenanug.pdfIn PDF document text
    • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607e06272568b---bojoguwoligekavajaweb.pdfIn PDF document text
    • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/7f7j6sjh9acfo7h1m7hj5pr0p6/bivirajapademebofigiwuva.pdfIn PDF document text
    • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/b6b3b920af872a2a46b4cf1d3fa2e0e4/94703243702.pdfIn PDF document text
    • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16098ae334edd8---topolidolefunevi.pdfIn PDF document text
    • http://africa-emergence2019.com/userfiles/file/74378726918.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1a795c119---65997047421.pdfIn PDF document text
    • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607569fab80dc---fejajimafatorerijov.pdfIn PDF document text
    • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16099f61df08d7---88290683743.pdfIn PDF document text
    • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/02ebc7a0fafd01119e2088903b59a0dc/11218882419.pdfIn PDF document text
    • http://rhodeislandalpha.com/clients/56223/File/19232511158.pdfIn PDF document text
    • https://feltshoe.com/userfiles/file/7905564335.pdfIn PDF document text
    • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608c5c32d8f52---popopiz.pdfIn PDF document text
    • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609eff8016de6---govitix.pdfIn PDF document text
    • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c77838a542---bopax.pdfIn PDF document text
    • http://alimentosldm.com/userfiles/file/muvobevidoba.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fbbb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBBB 5964 bytes
SHA-256: 18a2556e25b6bc1883dd742e91d8e68f94630ab6ace6d623ef0bca7e1d6ca971
font_01_sfnt_off00011006.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11006 11276 bytes
SHA-256: a063e2ba276155645b6b0ef1b5467b7eb9136b901a20a556c9349a3d67f4c717