Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e35c1ab3b967e8f…

MALICIOUS

PDF

260.2 KB Created: 2022-02-02 20:26:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: cd21440cc96b7b55bcd9f9a6a2304ba3 SHA-1: 4dd271dac77445b2b6dc790f92aa35f91db14f8a SHA-256: 4e35c1ab3b967e8f44b5bf99849c3d3ff7e6472b6a15792af9a8f730220b29c6
104 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7396

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
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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://yoyep.co.za/XSRYdR1H?utm_term=video+show++uptodown PDF link annotation
    • https://lolakarimova.uz/ckfinder/userfiles/files/zinusajidenikakomun.pdfIn PDF document text
    • http://global-leasing-management.com/uf/file/zototodejuw.pdfIn PDF document text
    • http://mastera-mix.ru/ckfinder/userfiles/files/20996961212.pdfIn PDF document text
    • http://kef.org.pk/kcfinder/upload/files/jasuzabawelopufixunel.pdfIn PDF document text
    • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161c8596b080a6---88013845775.pdfIn PDF document text
    • http://iccarrentals.com/files/file/norizasixakoxi.pdfIn PDF document text
    • http://31kouqiang.com/userfiles/file/1631590159.pdfIn PDF document text
    • http://studioriboldi.eu/userfiles/files/98336584159.pdfIn PDF document text
    • http://aibrpjoaae2.specialty-match.com/upload/files/94211902649.pdfIn PDF document text
    • https://fkip.unsam.ac.id/kcfinder/upload/files/7353063227.pdfIn PDF document text
    • http://xn--80ab1a9a.xn--p1ai/sadm_files/dapelasakimugemajonezige.pdfIn PDF document text
    • https://probidjp.com/ckfinder/userfiles/files/20210906_185515.pdfIn PDF document text
    • https://pristineleather.com/userfiles/file/40762783027.pdfIn PDF document text
    • https://bikidi.com/UpFiles/WebEditorFiles/file/86800390241.pdfIn PDF document text
    • http://restauracja.jtg-antracyt.pl/files/file/mudinu.pdfIn PDF document text
    • http://live-lessons.net/lcj/web/uploads/assets/file/44605365777.pdfIn PDF document text
    • http://szkolka-wiercioch.pl/files/file/33911900525.pdfIn PDF document text
    • http://seteo-dechets.com/images/file/zametegojapoti.pdfIn PDF document text
    • http://phannhan.vn/files/usersfiles/files/93064448245.pdfIn PDF document text
    • https://www.creativetalentnetwork.com/ckfinder/userfiles/files/gidogufutexom.pdfIn PDF document text
    • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/6mid9kel2420lr7udeodlc4v2k/bebodinugewuxuru.pdfIn PDF document text
    • https://fizjolech.pl/userfiles/file/woxozamajafofezeves.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00033c4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33C4A 38212 bytes
SHA-256: 113e10202b0f9686d84cb91a9893fb4313bf68f1bcd806e9515653651bf13f87
font_01_sfnt_off0003a84f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A84F 10336 bytes
SHA-256: 02122b50bee19a1533223eedde457553da670c642815c6ab68f6f8bf056e2fdd
font_02_sfnt_off0003bfa2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3BFA2 16680 bytes
SHA-256: a2a47f6595bba584383d74d82541eb3c6e6c84fc4eba65eeb8692fd21fd9b379
font_03_sfnt_off0003eb0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3EB0A 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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