Malicious PDF — malware analysis report

Static analysis result for SHA-256 d073c8d75b8acdf6…

MALICIOUS

PDF

339.5 KB Created: 2022-03-20 04:08:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-06
MD5: 701c0bdadb04d26e19f1e684880f65ba SHA-1: 03a06f9e3a87c36cdc8203aab5f7e5934d4a4fc8 SHA-256: d073c8d75b8acdf6211f494d596c858a98799c7e8e794793818767705b906139
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6602

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://photopuzzle.net/userData/board/file/30304439549.pdf In PDF document text
    • https://wonwon.taipei/photo/file/35799189475.pdfIn PDF document text
    • http://addon-colsman.somantec.net/ckfinder/userfiles/files/8447979279.pdfIn PDF document text
    • http://xn--b1akwe.xn--p1ai/userfiles/file/48036330578.pdfIn PDF document text
    • https://tourbusan.net/FileData/ckfinder/files/20220215_D9361CCB9FF001DD.pdfIn PDF document text
    • http://logicparcel.net/uploadsEditorfile/vinamorinil.pdfIn PDF document text
    • http://professionalcsali.hu/admin/ckeditor/kcfinder/upload/files/4041754844.pdfIn PDF document text
    • https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/panitixu.pdfIn PDF document text
    • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621b722d5f4f8---81242869759.pdfIn PDF document text
    • http://adanamega.com/userfiles/file/movafagurelofufegu.pdfIn PDF document text
    • http://zbraneklapka.cz/ckfinder/userfiles/files/vexefaxadi.pdfIn PDF document text
    • http://stylingstories.nl/kcfinder/upload/files/vurumowanuguxigulodekuja.pdfIn PDF document text
    • http://help-avocat.fr/js/kcfinder/upload/files/39160816393.pdfIn PDF document text
    • http://daiichilogistics.com/uploads/news_file/80218906830.pdfIn PDF document text
    • https://negaratoto.com/contents/files/kakulema.pdfIn PDF document text
    • http://baloneacessorios.com/_upload/file///tajewap.pdfIn PDF document text
    • http://degeninhotel.ru/admin/ckfinder/userfiles/files/zesoda.pdfIn PDF document text
    • http://nahwoo.com/userData/ebizro_board/file/kewuxipidunubexulumubo.pdfIn PDF document text
    • http://sambometal.com/dataroom/file/sasobavijijuwexoxareki.pdfIn PDF document text
    • http://skogsformedling.se/bilder_umeny/File/rixemaloxidegi.pdfIn PDF document text
    • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/be8bc50bdad49519f1f0468b8ddc0db3/suxaxijezerenamolurofut.pdfIn PDF document text
    • http://aleksey-mihalchik.ru/upload/files/gedogezilamup.pdfIn PDF document text
    • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620a513a09a17---10134553850.pdfIn PDF document text
    • https://garmin10.ddbseven.cl/userfiles/file/63111475661.pdfIn PDF document text
    • http://www.deewanalarab.com/up_imgs/45684636080.pdfIn PDF document text
    • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16231108cd55ce---79918464982.pdfIn PDF document text
    • http://bandodesign.com/assets/ckeditor/kcfinder/upload/files/26462491321.pdfIn PDF document text
    • http://lingvastar.z-i-g-z-a-g.com/userfiles/files/muwipefuxakemok.pdfIn PDF document text
    • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/161fe4c3667de5---kelibatuwo.pdfIn PDF document text
    • https://inc.pamlskovnik.cz/ckfinder/userfiles/files/84316363013.pdfIn PDF document text
    • https://gobelsprofil.com/upload/files/ketukelumapo.pdfIn PDF document text
    • http://rostocker-taxi.de/resources/files/bivodofogalawijixe.pdfIn PDF document text
    • https://cafij.co.za/XSRYdR1H?utm_term=company+profile+format+letterPDF 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 extracted file (font_00_sfnt_off0004dc9c.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004dc9c.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004dc9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4DC9C 19288 bytes
SHA-256: b082cb911626c19efee8d0902059a06f6be60153b2ceb6d844167629e4a1d7a1
font_01_sfnt_off00050f70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50F70 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off00052690.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52690 10496 bytes
SHA-256: d5c393054d1a98d15838f867b5f4194050f6a2a2dd963afdeeb618056363e062