Malicious PDF — malware analysis report

Static analysis result for SHA-256 2914c2a6e00278bf…

MALICIOUS

PDF

74.7 KB Created: 2021-03-03 01:50:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9b6bb10dc2ab754733cdcf1025f500b8 SHA-1: acff128114349bd98671b95b1ff79feb686b2c65 SHA-256: 2914c2a6e00278bf536b949e6fdd9f6a9eb03f96183ecdf2197ef94083250222
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains numerous external URLs, many hosted on disposable domains, and is flagged by heuristics as a link farm and a phishing/malware distribution vector. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content, likely for phishing or to download further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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 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://zajinet.ru/wix?keyword=adding+pennies+worksheet PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4501495/normal_5fdc113f1e431.pdfIn PDF document text
    • http://prodive.su/wakosafykj81.pdfIn PDF document text
    • http://bomaduworofa.medianewsonline.com/integrated_advertising_promotion_and_marketing_communications_7th.pdfIn PDF document text
    • http://feedbacrnz.space/el_principe_maquiavelo_analisis_por_capitulos1z513.pdfIn PDF document text
    • https://s3.amazonaws.com/dukajevo/brothers_telugu_movie_songs_free_doregama.pdfIn PDF document text
    • http://manuximaxemeje.scienceontheweb.net/wezabuwaw.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380522/normal_5fcbd2a1f26b5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393488/normal_600a22b6951eb.pdfIn PDF document text
    • http://xojuxelase.medianewsonline.com/what_tools_are_necessary_for_woodworking.pdfIn PDF document text
    • https://s3.amazonaws.com/xebuvuwov/beautiful_car_background_free.pdfIn PDF document text
    • https://s3.amazonaws.com/satudifin/dialysis_adequacy_guidelines.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469643/normal_60253c208ddf7.pdfIn PDF document text
    • http://kolagozisil.mywebcommunity.org/blackbird_full_play.pdfIn PDF document text
    • http://good-production9.site/munezuzalitepoki90j2.pdfIn PDF document text
    • http://ig-support-service.com/26675600221mcvvo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446497/normal_5fd3577166249.pdfIn PDF document text
    • http://tujemet.scienceontheweb.net/us_stock_market_live_video.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zejibanunepi.myartsonline.com/drinkwell_fountain_stopped_working.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e731.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE731 5124 bytes
SHA-256: aae1515cf3b269363cb6561c55dcf4ce670ad0fe7bc100fe4b49accac619bf4b
font_01_sfnt_off0000f8b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8B1 10764 bytes
SHA-256: 60886fd0a4f32623307d8d48e8008e9300c67c3b478b3e14fa4b928abc60a0f8

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