Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd6e1a3e00e7eee…

MALICIOUS

PDF

82.9 KB Created: 2021-07-22 17:12:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-25
MD5: 735ec0f6120a9fc708985f4181a879a5 SHA-1: 7e31f594e86ad9cc8927cc8bc6b2c67f184093cd SHA-256: 3dd6e1a3e00e7eee9c64607951702c8d809a0114a06d715d8b306034e92a13d9
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 http://barudan.hk/UploadFile/file/20210525100030116.pdf In PDF document text
    • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2f6c90b54---28302426016.pdfIn PDF document text
    • http://dpsszczytno.pl/photo/file/zilajutadumujexelukafa.pdfIn PDF document text
    • https://penzionradvanice.cz/res/file/befufalofuzope.pdfIn PDF document text
    • http://elazentrale.de/images/uploaded/file/kejomagupebugogawojusod.pdfIn PDF document text
    • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608daa8708262---kokafofumuju.pdfIn PDF document text
    • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/09bdc70562813ab87ffb2772def47222/tosimidefimi.pdfIn PDF document text
    • http://jfk1969nola.com/clients/873000/File/11159050978.pdfIn PDF document text
    • http://www.photonics-science.com/ckfinder/userfiles/files/gotirelanar.pdfIn PDF document text
    • http://anhopphat.com/uploads/files/penan.pdfIn PDF document text
    • https://semineebrasov.ro/printuri-fi/files/16597652443.pdfIn PDF document text
    • http://micronforgacsolo.hu/UserFiles/file/51226236051.pdfIn PDF document text
    • https://egyiksem.hu/uploads/file/90045383892.pdfIn PDF document text
    • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/55a4ab44632263aaad9200d16f720e2f/88222112208.pdfIn PDF document text
    • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/ntfarfdbdd77j34mvl0p9eci3e/nagujonoxararefokuzedezon.pdfIn PDF document text
    • http://textingrights.com/userfiles/files/71131464722.pdfIn PDF document text
    • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/16086a90433f7b---jonapajimusivivotemu.pdfIn PDF document text
    • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/e9g8df0m8v4r7o2amhth7ffeh3/20683203876.pdfIn PDF document text
    • https://otelnamore.com/wp-content/plugins/super-forms/uploads/php/files/4d16b8366130c62087cbb99cc8588d82/bawipelabafugak.pdfIn PDF document text
    • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160cf69492bb94---vafiwetavab.pdfIn PDF document text
    • http://portalpr-b2b.es/img/user///file/_0773796001624668225.pdfIn PDF document text
    • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/tv2akt1n6ptca8i8qlrhpfl7b6/fanaloliv.pdfIn PDF document text
    • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/397f18b6ca9aa6fc7a9be4beca5ecf0f/93591033405.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=i+miss+the+sun+when+it+starts+to+snowPDF 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 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_off0000dd00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD00 18296 bytes
SHA-256: c062a2c049b566493092c494d91e8def12979ef7e17fb96537b7867aa95ee82b
font_01_sfnt_off00010ced.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10CED 10464 bytes
SHA-256: b986641754195d95abd8a8875c285741b16ec7cada7f05be25c47d7fb682bad0
font_02_sfnt_off00012495.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12495 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1