Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc068d5e14d38bfa…

MALICIOUS

PDF

84.3 KB Created: 2021-03-24 21:35:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: dba7cd0be2af974e871db97ab5099360 SHA-1: 776d18f92e68fc6de7b7565d5a07e1a3081aa901 SHA-256: fc068d5e14d38bfa61ddae4cb0d06e419b8dd226a36a08d681de08d5e6db09d1
126 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many pointing to disposable hosting, suggesting a link farm used for phishing or malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to obscure the true malicious intent by using many distinct, low-reputation domains. No scripts were extracted, but the presence of external URIs strongly suggests the document's purpose is to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://xezojetit.ru/award?keyword=screw+head+types+chart+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4366668/normal_6021d2f3b8bd2.pdfIn PDF document text
    • https://cdn.sqhk.co/sutazojawote/fyighbc/hill_climb_racing_fire_truck_highway.pdfIn PDF document text
    • https://cdn.sqhk.co/kukisigafumi/43ifjhi/21240220438.pdfIn PDF document text
    • http://shoop-fm.ru/adrenalin_lpband_manual1c0x0.pdfIn PDF document text
    • http://hookup666.site/80700529838ufpvm.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4499656/normal_5fd960d2ec6f2.pdfIn PDF document text
    • http://dfds.in/vixijibogaziy60u.pdfIn PDF document text
    • https://cdn.sqhk.co/lorotukogof/egmuriZ/classic_bubble_bobble_nintendo_game_boy_color_rom.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4386848/normal_5fd039ea9ed9a.pdfIn PDF document text
    • https://cdn.sqhk.co/purilusevike/ujggjhh/xumiroxexopofu.pdfIn PDF document text
    • http://p-kavkaza.ru/tebovixusax5f6zf.pdfIn PDF document text
    • https://cdn.sqhk.co/temetixufuxi/gGlkge9/fogexakiwowidido.pdfIn PDF document text
    • https://cdn.sqhk.co/woferomot/iuMZMib/28844950430.pdfIn PDF document text
    • https://cdn.sqhk.co/muxaferamet/9ieSKha/morowamaji.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495269/normal_603bfb161453f.pdfIn PDF document text
    • http://securityverifiedservices.com/bolelixigdtqxu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446026/normal_5fcd9c032a582.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476285/normal_5fc9904484ed9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450426/normal_602fa0ad51618.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/4ddf8572-26f7-4812-9fd9-c12b35dbe614/what_jobs_use_ict.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/653179b3-c365-41a1-9448-92e7c277e990/supply_chain_management_internships_houston_tx.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6bdf7bb5-2118-4d17-8ae3-cd2eb46a20de/how_to_use_gold_headset_with_psvr.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f208.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF208 3724 bytes
SHA-256: f39b88084a6a692868195f39dd2d5c788655281ec7c0f8f1219019340c3b5e98
font_01_sfnt_off0000ff49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF49 5032 bytes
SHA-256: 1bc98299faf6ac7633766454869513a087c75e1a5d740f3a0005572c0b15bf26
font_02_sfnt_off00011080.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11080 10860 bytes
SHA-256: 80983eb0a2f3c1ad81166b744f75674805f1923f8dea7064ec4f3a6b8de8d72d
font_03_sfnt_off0001356f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1356F 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f