Malicious PDF — malware analysis report

Static analysis result for SHA-256 fed321b9d4693e6e…

MALICIOUS

PDF

78.0 KB Created: 2021-07-31 15:01:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: cb8acdf2fc3fb803bd3899134000d984 SHA-1: 468fdabdf69872c9a048983f9f9f753e749c797a SHA-256: fed321b9d4693e6e8b1d592c4f744d6cc11ad894300f75cc85f3ff9f4980900e
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous external links, many pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution attempt. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. While no scripts were explicitly extracted, the PDF structure and link farm indicate an attempt to lure users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8221

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
  • 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
  • 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://crysiq.ru/uplcv?utm_term=life+skills+money+worksheets+pdf PDF link annotation
    • http://dansecyr.ca/pdf/file/73935072953.pdfIn PDF document text
    • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/0f5b0751c67c07621eb30d917f1dc520/16554916226.pdfIn PDF document text
    • https://hotellemaritime.com/hotel/upload/files/zuwamana.pdfIn PDF document text
    • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/m5n0398qd4kru2r3u5821qa5h4/rilibixivixuvuletiwetusa.pdfIn PDF document text
    • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087e1ff84ff1---86479026321.pdfIn PDF document text
    • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/8e088c5b0145834888ded0d57f7d50c4/tisodasusuvopesepu.pdfIn PDF document text
    • https://onlinendttraining.net/files/baxojupowipozo.pdfIn PDF document text
    • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608614a152279---wolezu.pdfIn PDF document text
    • https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/huhu54ldnfmsf5te914kspr6n4/xafarekoduvulokin.pdfIn PDF document text
    • https://pointvirgule.ca/upload/editor/file/kunedaropifibapus.pdfIn PDF document text
    • https://daaeportrett.no/upload/file/54778365651.pdfIn PDF document text
    • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a253ce699b8---99673585436.pdfIn PDF document text
    • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16102981677ae5---60004073699.pdfIn PDF document text
    • http://edgecs.net/documents/87221964024.pdfIn PDF document text
    • http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/88783035638.pdfIn PDF document text
    • http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/4590649526.pdfIn PDF document text
    • http://exima.kr/userData/board/file/talividaxiguzepabe.pdfIn PDF document text
    • https://aawyx.com/sites/default/imageuser/file/lagetikagotujole.pdfIn PDF document text
    • https://shopabrang.com/images/files/50706222634.pdfIn PDF document text
    • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/v8lpp691id23qo5i42d4nfa26f/91074343767.pdfIn PDF document text
    • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16075fa8de84b4---dotulesuva.pdfIn PDF document text
    • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/cspmhrs1beedgfp595oenndedu/68256844710.pdfIn PDF document text
    • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/erlgb3cnatukgku1nm2bb1fd19/konojavugi.pdfIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011189.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11189 17440 bytes
SHA-256: cce8f88186396ada2091e4bd0129059ccd802daf90a63d9058a179078de0105f

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