Malicious PDF — malware analysis report

Static analysis result for SHA-256 edabed22e53c74c9…

MALICIOUS

PDF

84.9 KB Created: 2021-06-20 00:36:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 8f08d2c80d53b7c5579ecb7468dbf6f5 SHA-1: 69603dcb1aa458c2dbd7605f250f59453eb20612 SHA-256: edabed22e53c74c9d9dd88a56e244dc5c43a207a9c4d944f3120895f1e29ccb4
164 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The document body, though heavily obfuscated, contains elements that appear to be lures for popular media, aiming to trick users into clicking the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 7

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://medvor.ru/uplcv?utm_term=luka+chuppi+bahut+hui+mp3 PDF link annotation
    • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b9938b61c41---laramizudetum.pdfIn PDF document text
    • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/0bec6369c4c1a4945288810f488add77/3815595868.pdfIn PDF document text
    • http://zonweringbelgie.nl/ckfinder/userfiles/files/kepil.pdfIn PDF document text
    • https://communeouchamps.fr/userfiles/file/sigivutulusanuwos.pdfIn PDF document text
    • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad2cfb107b---33452941423.pdfIn PDF document text
    • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/laje3195h2gu97tu9lk6pujmfm/25740988242.pdfIn PDF document text
    • http://automotiveenergy.cz/userfiles/file/fivulejigali.pdfIn PDF document text
    • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608120cb85afb---bajodukemujanakonupepusi.pdfIn PDF document text
    • http://nedirajtebosnu.net/userfiles/file/zusulidapotufasusezi.pdfIn PDF document text
    • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079476885684---65124324487.pdfIn PDF document text
    • https://clinicscrm.com/img/files/37994746817.pdfIn PDF document text
    • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/ba00eor5a061kq7akbf7v98mph/xarizafom.pdfIn PDF document text
    • http://syuncyoku.jp/upload/file/motovezagunezejada.pdfIn PDF document text
    • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/7srbgrprvi7adof58dldke02t7/59999273357.pdfIn PDF document text
    • http://abwjefferson.com/uploads/files/lakivononajuladomek.pdfIn PDF document text
    • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b9eb96ad4---fodopotudulazufodenid.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eb3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB3C 5176 bytes
SHA-256: beb3c575e3f218a6ca38c4ca112c94f490cf4c7713f84ecb3798796d3ebff138
font_01_sfnt_off0000fcbb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCBB 11020 bytes
SHA-256: db17ab81502c9b3aa01c449da8585c91aec68076cea38152a6f39a61e135d6f8
font_02_sfnt_off0001225e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1225E 12036 bytes
SHA-256: fcdc1b6c0a5fae08d05918b0cb52ed0b24c9fe3246e44c2e6fd74d2873bd310f

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