Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2f404a501bbbafa…

MALICIOUS

PDF

260.2 KB Created: 2022-01-24 13:51:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 92c5e5f7d29aee856847d4f5c52df463 SHA-1: fcea49b4d77620a4698fac3717e8a2da121091a7 SHA-256: f2f404a501bbbafaaad8c7bf2727b389e6d6c15946f44205d6fa7a91d40b910d
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7170

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.
  • 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 http://novichiha.ru/pic/file/77683589427.pdf In PDF document text
    • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/665bfbf24a47c059eee819872180dc01/wujusivo.pdfIn PDF document text
    • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/161b52f7024ba9---97818460412.pdfIn PDF document text
    • http://asktasi.com/ckeditor/kcfinder/upload/files/67834128068.pdfIn PDF document text
    • http://jdjcnc.com/upfolder/e/files/20211006040405.pdfIn PDF document text
    • http://jyjjapan.jp/files/ckeditor/files/7421277648.pdfIn PDF document text
    • https://clicksnepal.grnca.org/img/files/files/kivolubajatojamusabusaf.pdfIn PDF document text
    • http://rtm-plus.ru/ckfinder/userfiles/files/54580564099.pdfIn PDF document text
    • http://depcip.com/app/views/panel/ckfinder/userfiles/files/vulaloseke.pdfIn PDF document text
    • http://vandientuchinhhang.com/upload/files/88683750395.pdfIn PDF document text
    • http://iq-money.ru/upload/files/tiropowimumeri.pdfIn PDF document text
    • http://pasquarelloplumbing.com/UserFiles/file/1201360794.pdfIn PDF document text
    • https://www.almuhja.com/ckfinder/userfiles/files/genigasoranirejani.pdfIn PDF document text
    • https://thegioibaobicarton.com/Images_upload/files/11117104346.pdfIn PDF document text
    • http://mientaytourist.com/uploads/files/62493887479.pdfIn PDF document text
    • http://caytrong.vn/Images_upload/files/vukadowepolutubefomumodel.pdfIn PDF document text
    • http://goldenagegroup.vip/userfiles/file/tubegiwiwusativiwera.pdfIn PDF document text
    • http://rosg.net/sa_upload/userfiles/file/20211223095446.pdfIn PDF document text
    • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/d130617770150e1290a5d119a1905f6d/16151117120.pdfIn PDF document text
    • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/161bfcbbc32a8c---xanuzijojoxupav.pdfIn PDF document text
    • http://karinameal.com/imgdish/files/64503128563.pdfIn PDF document text
    • https://showerdrainplus.com/uploads/files/202110071227587500.pdfIn PDF document text
    • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161c4a1a7a1c5f---92019301245.pdfIn PDF document text
    • http://ejmk.com/ej/upload/files/pirotefubipokaxe.pdfIn PDF document text
    • https://padservhosting.com/userfiles/file/vanutituroxofurezuka.pdfIn PDF document text
    • http://studioego.cz/userfiles/file/robedomewesonak.pdfIn PDF document text
    • http://studiotipaldo.com/userfiles/files/25705316053.pdfIn PDF document text
    • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/161a07d4515e61---25466376042.pdfIn PDF document text
    • http://yuanjiangchem.com/upload/files/94835205796.pdfIn PDF document text
    • http://sushiloverca.com/uploads/files/22320952413.pdfIn PDF document text
    • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/161aa8a8224836---xusuzasesuberazagif.pdfIn PDF document text
    • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/edb4cc8bc9e64662a85035db61adba38/pagepapepimepukegibufituv.pdfIn PDF document text
    • https://www.ozkozel.sk/kcfinder/upload/files/wugupabe.pdfIn PDF document text
    • https://atasuorganiktarim.com/upload/ckfinder/files/96553544.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/TSvcnjQ06Jg/uplcv?utm_term=diwali+stickers+for+iphonePDF link annotation
    • 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://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_off0003a6e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A6E9 10756 bytes
SHA-256: bff62eecb08dcc99b476552d1d4933010d2de12952c12f42fcc9a12c8e25ef63
font_01_sfnt_off0003bfb3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3BFB3 16528 bytes
SHA-256: 733e4bd934e223de824e7bc6a2972b6cbd105c46b1bbe13536fe24bda75b9fae
font_02_sfnt_off0003eab1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3EAB1 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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