Malicious PDF — malware analysis report

Static analysis result for SHA-256 14fc07dde08cef83…

MALICIOUS

PDF

86.9 KB Created: 2021-06-30 00:13:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: cca213ef6238a0596e3f344856183b96 SHA-1: 316e6dafd5528e3198e5ed94e6ff231c0d413993 SHA-256: 14fc07dde08cef83d324300906a2590eaab30adbf4d02822cce3124f02c7cbda
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and the nature of the URLs indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9947

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://pistant.ru/uplcv?utm_term=canon+rock+fingerstyle+tabs PDF link annotation
    • https://hizlipin.com/calisma2/files/uploads/43192566490.pdfIn PDF document text
    • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607053df6aaee---pozufafakusetenidipusako.pdfIn PDF document text
    • http://actybrain-consult.com/Upload/files/detalebotun.pdfIn PDF document text
    • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088161a8ca26---41214788714.pdfIn PDF document text
    • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b296cc68b83---voforepituzokaju.pdfIn PDF document text
    • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/0fd9867f629c0a9881a60146fd0a2a62/82016471624.pdfIn PDF document text
    • http://www.abcklima.hu//data/editorfile/62855785279.pdfIn PDF document text
    • http://cichanski.com/Upload/file/zejesoxuzewajuniwebawizok.pdfIn PDF document text
    • https://burstallconrad.com/editor_files/file/wozuwuwijugete.pdfIn PDF document text
    • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081963dc900d---34858922102.pdfIn PDF document text
    • https://hse.tw/upload/file/tukuzomuvipikufokanizul.pdfIn PDF document text
    • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160850d36b5817---suridapesutakadetifitif.pdfIn PDF document text
    • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160740d0446674---gotojifubalodivoruwimibit.pdfIn PDF document text
    • http://www.tobywells.org/media/fckdir/file/7486267332.pdfIn PDF document text
    • http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/teleselizitof.pdfIn PDF document text
    • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfd163bd705---banez.pdfIn PDF document text
    • https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/075b172cf6ea81daddc64322c355c318/65112802055.pdfIn PDF document text
    • http://accessiblevehicleservices.com/userfiles/file/57435367942.pdfIn PDF document text
    • https://batikatravels.com/userfiles/file/25604028186.pdfIn PDF document text
    • http://asustainable.com/global/file/jinaduwezizaliginukuj.pdfIn PDF document text
    • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/4c2c83e6e4cb9ffb4c8b9796dcd3e653/28585830831.pdfIn PDF document text
    • http://beloit1962.com/clients/8/83/8368a4f838dea3176655029ae9e337da/File/wewezekoboto.pdfIn PDF document text
    • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160ba78d8c2d35---vaxeresabex.pdfIn PDF document text
    • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/3orokjm48jav13vvuh787ln092/nutinokogemuwojipiga.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_off0000ee8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE8C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000106a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106A3 10888 bytes
SHA-256: 7c533a37ace1b2f9aedda77978db4958b331cbf5bd1c2f2d320a305a6bbf2c2f
font_02_sfnt_off00012004.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12004 17508 bytes
SHA-256: e41edd906f5c6a4305f6bfc24d65b570db1be0938f9e6accc57108e36a2e31ef