Malicious PDF — malware analysis report

Static analysis result for SHA-256 a5558e61dbebcf72…

MALICIOUS

PDF

336.2 KB Created: 2022-04-08 03:20:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-28
MD5: f910afab1c98d6519cc1cad36f5bf283 SHA-1: 209b3632e21f204a3426c8de812071eabc19b7d7 SHA-256: a5558e61dbebcf72327bd4af9c3b2cc81b745645cb2f1b8eabc04b2a6e585e53
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6257

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://norin.co.za/XSRYdR1H?utm_term=hypothesis+for+cellular+respiration+lab PDF link annotation
    • https://netwindowvn.com/uploads/userfiles/file/rokopikewadigezuwojal.pdfIn PDF document text
    • http://dobrejaja.com/Upload/file/78931435292.pdfIn PDF document text
    • https://fezuwujazu.weebly.com/uploads/1/3/5/3/135347069/tujelarubaxikiw.pdfIn PDF document text
    • https://zitakutuseg.weebly.com/uploads/1/3/5/9/135994262/8029bc.pdfIn PDF document text
    • https://xuzizalebu.weebly.com/uploads/1/3/4/7/134772475/4904354.pdfIn PDF document text
    • https://tilesutetogetu.weebly.com/uploads/1/3/4/0/134042518/puxegupunugepakilo.pdfIn PDF document text
    • https://www.kidilangues.fr/js/kcfinder/upload/files/xewira.pdfIn PDF document text
    • http://strategie-online.net/catalogue_dynamique/file/92251634154.pdfIn PDF document text
    • http://www.bash.cl/media/file/weruxixadelotonew.pdfIn PDF document text
    • https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/67211424743.pdfIn PDF document text
    • http://gorsilawfirm.com/userfiles/file/48936654030.pdfIn PDF document text
    • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/212b46bac7f8c22b8b9cbdde6b918248/kunebarenixuwerifox.pdfIn PDF document text
    • http://martinlangford.com/images/fafixefiripaninunewodu.pdfIn PDF document text
    • https://nuxozabu.weebly.com/uploads/1/3/1/8/131871912/78b82a915.pdfIn PDF document text
    • https://nakatarikaszel.pl/app/webroot/userfiles/file/xorufirun.pdfIn PDF document text
    • http://gmart-express.com/demo/uploadpic/file/18888215434.pdfIn PDF document text
    • https://vuriluwaloseg.weebly.com/uploads/1/3/4/4/134492921/sufotesukobapita.pdfIn PDF document text
    • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621c1fa758ee4---4083721724.pdfIn PDF document text
    • http://zhongkerb.com/userfiles/file/nazofamokazedekow.pdfIn PDF document text
    • http://cpviettin.com/upload/files/91191002335.pdfIn PDF document text
    • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/a97be55a6a73c303910101beef1349e1/lekakul.pdfIn PDF document text
    • http://berchmanskuwait.org/uploads/file/48686772795.pdfIn PDF document text
    • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fc3ff8ab7a5---57284833993.pdfIn PDF document text
    • http://studiotravenzolo.it/userfiles/files/36375153361.pdfIn PDF document text
    • https://sizosunobefema.weebly.com/uploads/1/3/1/4/131453016/6326583.pdfIn PDF document text
    • https://tajuzoliv.weebly.com/uploads/1/3/4/3/134359899/f5b58ea.pdfIn PDF document text
    • https://shreenathtechnologies.com/userfiles/file/70169443446.pdfIn PDF document text
    • https://kazimiposaduvab.weebly.com/uploads/1/3/1/1/131163956/7275500.pdfIn PDF document text
    • https://rosewoodcity.org/nbloom/fckuploads/file/18024934040.pdfIn PDF document text
    • http://slavutich-media.ru/userfiles/file/94425630816.pdfIn PDF document text
    • http://festivaltasteof.com/files/files/bupawalinekogunumifaf.pdfIn PDF document text
    • https://jatevabuxises.weebly.com/uploads/1/3/5/3/135382810/gazixaxexix.pdfIn PDF document text
    • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16210a32d165f1---jokexodel.pdfIn PDF document text
    • http://de-ko-gmbh.com/ckfinder/userfiles/files/45596472238.pdfIn PDF document text
    • http://vividconcept.in/userfiles/file/15384848706.pdfIn PDF document text
    • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/162361cd173aee---44280384933.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 extracted file (font_00_sfnt_off0004d1a5.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004d1a5.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004d1a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D1A5 10920 bytes
SHA-256: 89be853fe0d8f733ba10942b5153020d58960324e40b01a8b31a4375d20395d2
font_01_sfnt_off0004eaaf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4EAAF 17568 bytes
SHA-256: 106164adcfa1634f72320fab96b26c4e4767138c270142ec657c795e0f09759f
font_02_sfnt_off0005189d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5189D 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1