Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9948cc5e5994a4f…

MALICIOUS

PDF

470.1 KB Created: 2022-02-01 03:26:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-14
MD5: 5a6f4f74c6bf309f48e286b5f71267a5 SHA-1: ceb403484b1399da949bfed8d3a3045252a70a28 SHA-256: f9948cc5e5994a4fc08c01de0abce305b4eed2cbd76994bb82227e82d2cf1611
136 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4094

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://wirut.co.za/XSRYdR1H?utm_term=cinema+paradiso+music+sheet PDF link annotation
    • http://www.tamtrebinhminh.com/public/files/70056398557.pdfIn PDF document text
    • http://nyitotthaz.hu/userfiles/files/89662830539.pdfIn PDF document text
    • https://pansky.ru/UserFiles/File/79288272090.pdfIn PDF document text
    • http://sherwoodchambergolf.com/ckfinder/userfiles/files/jojanarad.pdfIn PDF document text
    • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/3a9a93de884e9a34e353f19692d97130/1561702422.pdfIn PDF document text
    • https://cartorioleandrofelix.com.br/kcfinder/upload/files/kolugarivojov.pdfIn PDF document text
    • http://cheniou.handysociality.com/upload/files/99380669258.pdfIn PDF document text
    • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ed4b46b681c---90665447987.pdfIn PDF document text
    • https://www.auto-ecole-rive-droite.fr/ckfinder/userfiles/files/buxubunefawugeraruworun.pdfIn PDF document text
    • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b5d8dbe6834---wajulanedawamatujifadenes.pdfIn PDF document text
    • https://www.xyoaa.org/sites/default/files/files/dulaxasa.pdfIn PDF document text
    • https://xn----8sbkgjdl3aku5f.xn--07-6kc3bf4angc2g.xn--p1ai/files/files/surofawoxagomab.pdfIn PDF document text
    • https://coil.hk/upload/files/gozulusokawazunixerizowut.pdfIn PDF document text
    • http://maybomnuocdanang.com/uploads/image/files/15305482792.pdfIn PDF document text
    • https://familienbilstrup.dk/ckfinder/userfiles/files/19859590445.pdfIn PDF document text
    • http://tiwtactic.com/userfiles/files/mepenizipub.pdfIn PDF document text
    • https://alariel.be/userfiles/file/mesuv.pdfIn PDF document text
    • http://importfoodfair.com/userfiles/image/2021/12/file/48633539185.pdfIn PDF document text
    • https://minhjazzvietnam.com/kcfinder/upload/files/xoxegepituzufona.pdfIn PDF document text
    • https://smilewax.tw/uploads/files/202201121558256419.pdfIn PDF document text
    • http://www.chp.pl/ckfinder/userfiles/files/95368084887.pdfIn PDF document text
    • http://anapro.com/ckfinder/userfiles/files/2948908711.pdfIn PDF document text
    • https://krenzle.sk/editors/ckeditor/plugins/kcfinder/upload/files/98141828214.pdfIn PDF document text
    • http://yuh-tarng.com/userfiles/file/80939655416.pdfIn PDF document text
    • http://h-st.nl/bestanden/files/77873297783.pdfIn PDF document text
    • https://fda.weblineinfosoft.com/UserFiles/files/saveronaxo.pdfIn PDF document text
    • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/6577b727128f8f8bc45352f4c42b6154/poxalaxojusujofapemat.pdfIn PDF document text
    • https://www.veedik.net/assets/admin/kcfinder/upload/files/59583197499.pdfIn PDF document text
    • http://honghuibio.com/d/files/43758281774.pdfIn PDF document text
    • https://mecu.cs.nctu.edu.tw/kcfinder/upload/files/robuzura.pdfIn PDF document text
    • http://pischemicals.com/public/kcfinder/upload/files/nezevivexodetubaxopin.pdfIn PDF document text
    • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/97817038630.pdfIn PDF document text
    • https://casaalu.com/luutru/files/35669881934.pdfIn PDF document text
    • https://agrocare.hu/ckfinder/userfiles/files/vogefibajux.pdfIn PDF document text
    • http://hasici.airport-ostrava.cz/foto/Image/file/4502069177.pdfIn PDF document text
    • http://postelezmasivu-brno.com/ckfinder/userfiles/files/demibumudakesidale.pdfIn PDF document text
    • http://ottomaniantextile.com/userfiles/file/zenonumorupat.pdfIn PDF document text
    • https://bfull.ru/uploads/files/3169848806.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_off0006e94b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E94B 10864 bytes
SHA-256: 7de3751d3ec0864c79e7d422bb5df4d61112bc0069b2e943512e9a3b88921875
font_01_sfnt_off00070233.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70233 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off000718d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x718D2 17740 bytes
SHA-256: 6316ccd292ba5dde811646f307790be44399977fe56c21daaf164780089a8d4e