Malicious PDF — malware analysis report

Static analysis result for SHA-256 dee8baa56121ef61…

MALICIOUS

PDF

85.6 KB Created: 2021-03-05 01:03:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 30b6c1945e13b1a8ac7d08a0aab4342d SHA-1: 68685b4640cc8c29ae028ab02fa299b7a7138234 SHA-256: dee8baa56121ef61fa512a318af02fcec3c6c0b26387d2efa8cfb5bfbb3a9671
186 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains a large number of external links, many of which point to disposable hosting services, suggesting a link farm designed to attract users searching for game hacks. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://bologen.ru/wix?keyword=clash+of+clans+hack+apk+download+private+server+2020 PDF link annotation
    • https://cdn.sqhk.co/dagosasojo/TXhiigo/72276513557.pdfIn PDF document text
    • https://cdn.sqhk.co/lukuvekeliki/ZhiJhjq/72993426055.pdfIn PDF document text
    • https://cdn.sqhk.co/wenisuvuroju/WRiggjv/wwe_network_free_ppv.pdfIn PDF document text
    • http://jidokove.scienceontheweb.net/wozopin.pdfIn PDF document text
    • https://cdn.sqhk.co/bemememu/haNn2Do/kivepene.pdfIn PDF document text
    • https://cdn.sqhk.co/momujolo/1R27gcW/tv9_kannada_news_readers_photos.pdfIn PDF document text
    • https://cdn.sqhk.co/nujidegowupi/bvgfgiU/car_racing_games_free_online_play_3d.pdfIn PDF document text
    • https://cdn.sqhk.co/noxisoture/AxWSKia/app_lock_gallery_vault_apk.pdfIn PDF document text
    • http://smeh-mif.space/ub40_songs_mp3_downloady9fxs.pdfIn PDF document text
    • https://cdn.sqhk.co/wazuzofi/iYigLCL/rikukuvekudiw.pdfIn PDF document text
    • http://dujojiwasemob.mywebcommunity.org/21205560554.pdfIn PDF document text
    • http://babysampler.com/nawukadopiwasx5.pdfIn PDF document text
    • https://cdn.sqhk.co/guzoladip/gP3d6jg/planetary_devastation_in_japanese_translation.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://ea7788ad-ef5a-48b5-911d-3ad522045378.filesusr.com/ugd/f3bfbb_b9d11ba1e7fe4cb1a9de4ba56fbd8e3d.pdf?index=trueIn PDF document text
    • https://167c2301-eccc-4e3a-a609-38a4f17b9bf8.filesusr.com/ugd/b1dabf_93e766b668c04c389492d972ed884764.pdf?index=trueIn PDF document text
    • https://1b15a19f-c8c2-4d9d-8c2f-e97aa7ecfe2c.filesusr.com/ugd/eb6c48_65e048e37e1c48f0a14e1b6e74dd871a.pdf?index=trueIn PDF document text
    • https://3a7b682b-4b85-4b21-836a-a34929c8735b.filesusr.com/ugd/0cd3a8_97a31eb7302e4c5999b4f3ece40bb225.pdf?index=trueIn PDF document text
    • https://93dbb2ad-f1e8-4c6c-adfd-2ef134399473.filesusr.com/ugd/df4650_b5cc70e7c30f4d6f87e1598ceba21074.pdf?index=trueIn PDF document text
    • https://36425c1f-c329-48aa-845d-1f8252cb45c8.filesusr.com/ugd/01d500_4ac4a5ff13884c3898a55f2720521d9d.pdf?index=trueIn 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://scripts.sil.org/OFLIn 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_off0000fbbb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBBB 5636 bytes
SHA-256: 992b895b420b04de0ad999b984972863159d282a1f1cdd056f5646bc33c532df
font_01_sfnt_off00010efb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EFB 10288 bytes
SHA-256: 9496023808dc3360a465870c1c159a90f386362bc46c50866ce0a61b44f2a260
font_02_sfnt_off00013269.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13269 16312 bytes
SHA-256: bf8f9ece8d9d74ce2d7a98a07ee1bb8f4056faf702b3b1702118181e85f1b939