Malicious PDF — malware analysis report

Static analysis result for SHA-256 95d0b090b1f19ed2…

MALICIOUS

PDF

84.0 KB Created: 2021-07-03 13:19:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: ba108fd3eeddaf0a7b24221e7cf2ed0a SHA-1: 621f91cbf8443a4e6e82f067fcea0d0896ac2d3a SHA-256: 95d0b090b1f19ed2c65c1e262c6cfb7c2ddd0c95dbd3a185e62104888bb38814
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It functions as a link farm, with numerous embedded URLs pointing to other PDFs hosted on compromised websites. The presence of these links suggests an attempt to lure users to malicious content, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9944

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://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/537eb0bd749b9e232ad89b0afe286e30/rugokew.pdf In PDF document text
    • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/44be3e3e292e46adb207b5b087a22caa/4453432097.pdfIn PDF document text
    • https://ludifrance.fr/userfiles/file/veveretemarubefovupuge.pdfIn PDF document text
    • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/rsomle9hdm9jm7ndete5n2c9s3/47136137548.pdfIn PDF document text
    • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079b2460efb2---91497137059.pdfIn PDF document text
    • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d406f9d8b39---56982796195.pdfIn PDF document text
    • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/a2a332b263c55ee54c388695b3620b82/rotof.pdfIn PDF document text
    • http://choinka4x4.org/cms/files/file/jixifenajozisaweraf.pdfIn PDF document text
    • https://nationalshield-uae.com/userfiles/files/vododufomagotuko.pdfIn PDF document text
    • https://cowichanseniors.ca/userfiles/file/90917880754.pdfIn PDF document text
    • http://gdbchurch.com/clients/43262/File/roxuboxexogalorijim.pdfIn PDF document text
    • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/tfao1eulrvrcf4p8knsg307p1e/mirosipetoreke.pdfIn PDF document text
    • http://h-st.nl/bestanden/files/71472535252.pdfIn PDF document text
    • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/9gp9gh3tijg72tin01kmu419b8/85899156362.pdfIn PDF document text
    • http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160787752918d7---jibukezidetusuvesojusofo.pdfIn PDF document text
    • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160bffe0ec973a---mofesakanivizikizona.pdfIn PDF document text
    • http://castrolmintabolt.hu/images/upload/file/85144008820.pdfIn PDF document text
    • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1e82dc884---kumadelirepugasowumigunib.pdfIn PDF document text
    • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8a9be8ebe---13535939980.pdfIn PDF document text
    • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607881649a812---76888738380.pdfIn PDF document text
    • https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/jqjaov60n9us641omv189dag3f/zefopisulenirotun.pdfIn PDF document text
    • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/o6470cdoac3fmsv7514ems4lng/mezinasedesis.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=grammar+worksheet+present+continuous+spelling+rulesPDF 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c7de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7DE 7964 bytes
SHA-256: 908cbacabbad8c6c3b41e7199fa86c190e1120148e536e8e30f8e3189ca59d04
font_01_sfnt_off0000e289.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE289 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000faa0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAA0 11140 bytes
SHA-256: fa2b7ba295362e0ea6f77117567a10a3af11c5f6801ad5bc3d92425335eb5f59
font_03_sfnt_off0001148f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1148F 16756 bytes
SHA-256: 8f296ceebe84f7539afec820aa3e0956ad7e8ec28c4198bdd8aa45ebc8825f37

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