Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6efb0b73fccd312…

MALICIOUS

PDF

81.0 KB Created: 2022-03-29 16:35:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-16
MD5: 84403ddc330d324cf8851a9b662a721f SHA-1: ec62cbb9c5ed8e8c7859af97aeaa27b13061bd28 SHA-256: b6efb0b73fccd3129e0aa60f0e6aa004887fc6b4bf6a73c4c734659dfe443be6
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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 http://asliev.coco1490.com/upload/file_folder/file/89878950177.pdf In PDF document text
    • https://gugivubur.weebly.com/uploads/1/3/4/3/134390132/lafexavejitedejema.pdfIn PDF document text
    • https://jovigazever.weebly.com/uploads/1/3/1/6/131637362/garajulekuvigarimiro.pdfIn PDF document text
    • http://sk4education.com/ckfinder/userfiles/files/23686498631.pdfIn PDF document text
    • http://csc-028.com/userfiles/file/20220329120931_ydlssc.pdfIn PDF document text
    • https://demugowaxolat.weebly.com/uploads/1/4/1/2/141257594/luromogadurip.pdfIn PDF document text
    • https://cfacgroup.com/uploads/FCK_files/file/508246885.pdfIn PDF document text
    • https://xekozetona.weebly.com/uploads/1/3/4/5/134508060/fae3a3.pdfIn PDF document text
    • https://ximesadi.weebly.com/uploads/1/3/0/9/130969353/gerevizejezenosaju.pdfIn PDF document text
    • https://gilezetekeno.weebly.com/uploads/1/3/4/5/134596926/1168188.pdfIn PDF document text
    • https://xemilesexevig.weebly.com/uploads/1/3/4/2/134266110/kunol-tesuvigufomut.pdfIn PDF document text
    • https://degevibuv.weebly.com/uploads/1/3/5/3/135316410/pudulopagupopakoxa.pdfIn PDF document text
    • https://reniwojirobegiv.weebly.com/uploads/1/3/5/3/135305036/zozon.pdfIn PDF document text
    • https://wiwefexi.weebly.com/uploads/1/3/5/3/135345426/sesawamavup-rifofamidosuduv.pdfIn PDF document text
    • https://kumakisatosoref.weebly.com/uploads/1/3/5/3/135328720/8c6bdff9811cc.pdfIn PDF document text
    • https://birinubawode.weebly.com/uploads/1/3/6/0/136026057/14b7c0ad346cf36.pdfIn PDF document text
    • http://ecofincas.net/ckfinder/userfiles/files/75209073463.pdfIn PDF document text
    • https://tommytest.dish1314.com/data/html_editor/files/lazijifetixo.pdfIn PDF document text
    • https://gatokoliza.weebly.com/uploads/1/3/0/7/130739470/3817798.pdfIn PDF document text
    • https://ragaz.co.za/YmrXLWy8?keyword=is%20upgrad%20data%20science%20worth%20itPDF link annotation
    • https://ctapigroup3.com/contents/files/pewabatofoto.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_off0000d917.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d917.bin)

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d917.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD917 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off0000efb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFB6 17048 bytes
SHA-256: bfcd07256d26966a020adc3977fe3203772243266f0a37e487306e1ea8269d20
font_02_sfnt_off00011c5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C5E 10884 bytes
SHA-256: 9b33eefc59104b73f4084f8952454fce05690911a4f2b3cfadc73ba3ddcce623

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