Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d80325067cc2243…

MALICIOUS

PDF

70.9 KB Created: 2021-10-11 10:30:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: dfd8291122d0bd3dab174b13ef3280c2 SHA-1: 135060f9e79b9b70746efb862667dc740bd89582 SHA-256: 5d80325067cc2243e0b69b9fe5551a31aa0d471f8899be33a6ece36118d1072f
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9975

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
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://philabc.ru/uplcv?utm_term=substitution+method+nonlinear+equations PDF link annotation
    • http://associazionemillesogni.it/userfiles/files/49783241622.pdfIn PDF document text
    • https://watfordfairtrade.org/app/webroot/img/files/gokafuvosejebomomopax.pdfIn PDF document text
    • https://aksukartela.com/images_upload/files/ziruzum.pdfIn PDF document text
    • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/cphqs2gk04g58280bthd1tqrvs/supenefisawowo.pdfIn PDF document text
    • https://karpzbeldowa.pl/uploads/userfiles/files/92513803809.pdfIn PDF document text
    • http://watthaistuttgart.de/userfiles/file/kidatowaxufi.pdfIn PDF document text
    • https://valstybestarnyba.com/upckfinder/files/tulilepuputikabekafafe.pdfIn PDF document text
    • http://hotelgiottotorino.com/userfiles/files/34362769885.pdfIn PDF document text
    • http://3q1p.com/upload/file/211008151829628002o8pbdwetgzml.pdfIn PDF document text
    • https://makenie.com/upload/files/47024478972.pdfIn PDF document text
    • http://sahcarpets.com/userfiles/file/jevogefomadedigatameli.pdfIn PDF document text
    • http://bordahusfeldolgozo.hu/editor_up/1340468161.pdfIn PDF document text
    • https://tekdalyapi.com/upload/ckfinder/files/22624011416.pdfIn PDF document text
    • http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/mamasi.pdfIn PDF document text
    • https://flavio-tonon.it/public/file/tijuvodanidofogem.pdfIn PDF document text
    • https://letstravelforacause.com/miet/assets/files/dinor.pdfIn PDF document text
    • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/d92e66b345f4eb7f71024e44a2fa41c4/27241706660.pdfIn PDF document text
    • http://ets-sptk.ru/pic/file/konamodamegexapo.pdfIn PDF document text
    • https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/31391031933.pdfIn PDF document text
    • http://dmychadla.eu/UserFiles/File/98361032617.pdfIn PDF document text
    • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6d07727f0---dibogoladezurekojufel.pdfIn PDF document text
    • http://vncdata.net/app/webroot/uploads/files/55686053241.pdfIn PDF document text
    • https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/23068470580.pdfIn PDF document text
    • http://balatonfurediallatorvos.hu/userfiles/file/62289389924.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_off0000b4a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB4A8 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000ccbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCBF 10976 bytes
SHA-256: 99c306408d759472d3114219d2b0c1f1147f1419c0769c69b87b3a9044e57b37
font_02_sfnt_off0000e5bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5BB 15548 bytes
SHA-256: d7befb23608c34c45151e108e55408c8110e92e5ff79ed6287423019d53ef266