Malicious PDF — malware analysis report

Static analysis result for SHA-256 42539d13a14c3aa3…

MALICIOUS

PDF

73.4 KB Created: 2022-03-27 12:15:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 705e218d16be3cf95c37bc1e466f4f22 SHA-1: 5bbce9173674bd9b5bf539cb261ba15e6867b1f2 SHA-256: 42539d13a14c3aa3272b4eb76cd494fae284e7f0ecd616780280bfa7a74eba65
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://mifuj.co.za/YmrXLWy8?keyword=define%20taciturn%20in%20to%20kill%20a%20mockingbird PDF link annotation
    • https://gujejedadun.weebly.com/uploads/1/3/1/3/131398181/1f5bdf.pdfIn PDF document text
    • https://raverigetotip.weebly.com/uploads/1/3/7/4/137499276/dafosipiv-pimenawe-povenaxipo.pdfIn PDF document text
    • https://sunisilasofuz.weebly.com/uploads/1/3/7/5/137517989/gegatufirewekaluz.pdfIn PDF document text
    • https://majivuwuwu.weebly.com/uploads/1/3/2/6/132683475/7209664.pdfIn PDF document text
    • https://tedagenuv.weebly.com/uploads/1/3/2/6/132682668/bipotog.pdfIn PDF document text
    • https://saxarewuvopa.weebly.com/uploads/1/3/4/8/134855039/rixefu-tabuv-pusafekuwu-gujugo.pdfIn PDF document text
    • https://sazopugewado.weebly.com/uploads/1/3/1/4/131453094/6791941.pdfIn PDF document text
    • https://zoxofaduw.weebly.com/uploads/1/3/2/6/132683138/8775266.pdfIn PDF document text
    • https://menimewutezosel.weebly.com/uploads/1/3/3/9/133997121/fb3fe5a4.pdfIn PDF document text
    • https://navikeput.weebly.com/uploads/1/3/4/7/134755574/067b570e.pdfIn PDF document text
    • https://xeluluferira.weebly.com/uploads/1/3/4/2/134266649/6834330.pdfIn PDF document text
    • https://vekukedabil.weebly.com/uploads/1/3/4/7/134710008/35267efb227.pdfIn PDF document text
    • https://tamaxanafe.weebly.com/uploads/1/3/1/8/131856242/zezituvapit.pdfIn PDF document text
    • https://fexejolimoti.weebly.com/uploads/1/3/4/1/134131812/3fe3f8a3f.pdfIn PDF document text
    • https://modatuna.weebly.com/uploads/1/3/7/5/137509789/1121470.pdfIn PDF document text
    • https://godadonalizubo.weebly.com/uploads/1/3/1/4/131437317/kogej.pdfIn PDF document text
    • https://vigodabazo.weebly.com/uploads/1/3/4/8/134872933/jojenozi.pdfIn PDF document text
    • https://razavewi.weebly.com/uploads/1/3/0/8/130813306/xogebivasuza.pdfIn PDF document text
    • https://lenimupet.weebly.com/uploads/1/3/4/0/134013040/kufaden.pdfIn PDF document text
    • https://gexamefirizawem.weebly.com/uploads/1/3/4/6/134668325/titemijuw.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_off0000b173.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB173 2440 bytes
SHA-256: 5f9489db96fdfefda6296b7f3d1625c07d7946c1d71a655e11177c1cfffd0e72
font_01_sfnt_off0000bc07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC07 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_02_sfnt_off0000d2a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2A6 16656 bytes
SHA-256: 09b13858457c306c278401f9b0ee5cf79a455c58ceab63034186f8885d03f2e6
font_03_sfnt_off0000fe35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE35 10984 bytes
SHA-256: dd2668e3c47c798067815718e80b0fdd3ef870acc05308bb8d9cf12a9507a1a7

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