Malicious PDF — malware analysis report

Static analysis result for SHA-256 abadc4b3561957ed…

MALICIOUS

PDF

68.3 KB Created: 2021-03-13 20:06:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 58120626ee32051f4b7c8711fa3c3917 SHA-1: 4ba5e1a88ef993702754b2cd271101c8f6cc8fce SHA-256: abadc4b3561957edc1f440584d6dd35b860f1884faf17903d72fb41ee643b795
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded URLs, many of which point to disposable domains and are likely used for phishing or malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm on disposable hosting, suggesting a malicious intent to obscure the true destination or distribute malicious content. The ClamAV detection further supports the malicious nature of the file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5247

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
  • 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
  • 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://leonvi.ru/strik?utm_term=boy+in+the+striped+pajamas+summary+chapter+20 PDF link annotation
    • http://laxuribotu.iblogger.org/91293003996.pdfIn PDF document text
    • http://rowitewufow.22web.org/customary_measurement_worksheets_4th_grade.pdfIn PDF document text
    • http://zekojotewakugag.mypressonline.com/what_is_the_difference_between_giant_and_molecular_structures.pdfIn PDF document text
    • http://dikoxikikalonib.scienceontheweb.net/vedijunafilikag.pdfIn PDF document text
    • http://safetymirrors.xyz/how_to_interpret_lawsk8izr.pdfIn PDF document text
    • http://store50off.info/nuledimumivebovuzobiro7pjai.pdfIn PDF document text
    • http://fexevewuli.mypressonline.com/95307327834.pdfIn PDF document text
    • http://idealica-itufficiale.website/gekufeyv1vn.pdfIn PDF document text
    • http://lovemecompletely.com/91992978014neu84.pdfIn PDF document text
    • http://snegny.com/alphabet_design_wallpaper_freemrs1a.pdfIn PDF document text
    • http://gnfcns.info/52209400280ozihi.pdfIn PDF document text
    • http://netezasodi.22web.org/39242898915.pdfIn PDF document text
    • http://help-violation.com/bagakuxidoselojetagegixo8gtt.pdfIn PDF document text
    • https://a0bbd489-bf03-48a0-8e93-88abd0751e5b.filesusr.com/ugd/370ea2_b0b7f900dc4a484b8eb7538508ee398c.pdf?index=trueIn PDF document text
    • https://a12a05ab-6462-4855-b086-b0a2a961d6d8.filesusr.com/ugd/2c76f4_ce439394db3543f2b2edd247049fb698.pdf?index=trueIn PDF document text
    • https://1fa67a36-2e8b-44cc-a955-751d80433762.filesusr.com/ugd/d85e51_cba37b8b6cab47629eedd3cccaec307a.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/b34f8836-d611-4424-8885-04fbefeddd1d/how_do_you_hard_reset_an_amazon_fire_tablet.pdfIn PDF document text
    • http://fikexole.rf.gd/wikud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c253fe6e-092e-4743-8710-e424d0a28b3b/badedawovumexiro.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/13b6cad7-940d-4618-a50e-341ca6e42cfe/finemamevefebedot.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/49b59972-8278-4af9-bcf2-f864906f70fb/how_far_away_can_bookshelves_be_from_enchantment_tables.pdfIn PDF document text
    • https://034618a9-9b39-4f41-ad18-95bca1d1c80b.filesusr.com/ugd/48d9a1_8f7b991e0b674a2ba3b5dc1f6a23484c.pdf?index=trueIn PDF document text
    • http://mopafanimuwez.epizy.com/17873623842.pdfIn PDF document text
    • https://fa5d8e44-005d-4c05-925d-ba60cb7f5023.filesusr.com/ugd/121e37_fbae7b53fa5e41d485470d0635f717e6.pdf?index=trueIn PDF document text

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