Malicious PDF — malware analysis report

Static analysis result for SHA-256 72b919db1ae9d8e3…

MALICIOUS

PDF

320.6 KB Created: 2022-02-21 17:56:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: b04fbf4dbb971ae2fd0f55ae0db9d6c5 SHA-1: d10ecd25a3d06ef89bc931bc43f75ddf0c58acf0 SHA-256: 72b919db1ae9d8e38ec7b040f3a3cabac2a930d887719c3376871fb48ab66477
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6303

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 https://tevav.co.za/XSRYdR1H?utm_term=bi+weekly+calculator+timesheet PDF link annotation
    • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16198d8a292c88---selokenagovavap.pdfIn PDF document text
    • http://dejede.com/userfiles/file/50960310830.pdfIn PDF document text
    • http://groupementpecheduloir.com/ckfinder/userfiles/files/22566147166.pdfIn PDF document text
    • https://srldirect.com/ckfinder/userfiles/files/kapeduki.pdfIn PDF document text
    • http://mundialimportweb.com/userfiles/file/tidozirajareposimuj.pdfIn PDF document text
    • http://www.juniorcollege.cl/ckfinder/userfiles/files/gavigojavo.pdfIn PDF document text
    • https://altonika.pro/files/fck/file/xubitegaxafegafopix.pdfIn PDF document text
    • https://vas-vill.hu/userfiles/file/76036855148.pdfIn PDF document text
    • http://www.weilandensemble.nl/ckfinder/userfiles/files/67653123882.pdfIn PDF document text
    • https://fluffy-chins.sunnylion.com/images/file/6470690700.pdfIn PDF document text
    • https://riausky.com/editor/kcfinder/upload/files/vekutowinofusuxikisilep.pdfIn PDF document text
    • http://cripper.de/media/28696052337.pdfIn PDF document text
    • http://billedbutikken.dk/articlefiles/file/62948169824.pdfIn PDF document text
    • https://its-bulgaria.bg/files/file/felawotirelifumat.pdfIn PDF document text
    • http://scpt.it/userfiles/files/jomolavu.pdfIn PDF document text
    • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ef640cccdc3---18664763889.pdfIn PDF document text
    • http://cec-intl.ru/app/webroot/files/file/mivegor.pdfIn PDF document text
    • http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/44789029193.pdfIn PDF document text
    • https://temahr.hr/files/velumage.pdfIn PDF document text
    • https://self-storage.sg/images/uploadedimages/file/16050629705.pdfIn PDF document text
    • http://hcpcsz.com/upfolder/e/files/20210930154446.pdfIn PDF document text
    • http://abwsalisbury.com/uploads/files/18884450996.pdfIn PDF document text
    • http://sweed-trans.eu/ckfinder/userfiles/files/rabavidow.pdfIn PDF document text
    • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161515728cc983---72228352077.pdfIn PDF document text
    • http://someteme.com/archivos/_20210803082653.pdfIn PDF document text
    • https://mithaiwala.uk/dayafter/uploadimages/newsimages/file/xofoz.pdfIn PDF document text
    • http://3234.us/data/attachment/file/zazorolimovagofijum.pdfIn PDF document text
    • https://lotte-ppta.net/beta/assets/file/67336689832.pdfIn PDF document text
    • http://handbook.hu/upload/page/file/71426853799.pdfIn PDF document text
    • http://ttlh.vn/storage/ckfinder/files/72253662844.pdfIn PDF document text
    • http://studiopetrilli.it/userfiles/files/kenilipozedo.pdfIn PDF document text
    • http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/fekuf.pdfIn PDF document text
    • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f6d8a65665b---saxivolomaboxepo.pdfIn PDF document text
    • http://matrix-work.com/uploads/files/14412815737.pdfIn PDF document text
    • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/hlvvgja4q4s6ga681fcn8b2o5o/88017402367.pdfIn PDF document text
    • https://superstolarz.pl/files/files/sebezevuvasetinerufami.pdfIn PDF document text
    • http://kyokushin96.ru/admin/ckfinder/userfiles/files/78014042286.pdfIn 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://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_off0004920f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4920F 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0004a92f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A92F 10836 bytes
SHA-256: a15fa5ef7990bcac3621c614180d61448b344fca8875145118e861ddd0ffe834
font_02_sfnt_off0004c251.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C251 18304 bytes
SHA-256: ec206825bf3669b03421334d0ccef862548cb6564f13268df01e4c91cf2b6902

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