Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2fa6aa2c50e189b…

MALICIOUS

PDF

69.2 KB Created: 2020-12-21 05:54:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-13
MD5: 3daa687faf279c283ecab3eae7c3d28e SHA-1: 339a3aa1ab3cb49b41cde6f7eef565e3b3dcb52d SHA-256: f2fa6aa2c50e189b4697637d046c28f40c85414eddc3b61bf0e5734f9a4a2af9
196 Risk Score

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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://trafficel.ru/strik?utm_term=best+whole+house+paint+colors+2020 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4482190/normal_5fbf585f1770f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392470/normal_5f9900f6cc311.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383314/normal_5f9226c2f3575.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366351/normal_5f8736ca3339d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408702/normal_5fd8c36c5fd4d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446027/normal_5fd8db4e58a74.pdfIn PDF document text
    • https://tenanetudoji.weebly.com/uploads/1/3/4/2/134266315/1542901.pdfIn PDF document text
    • https://wirujiko.weebly.com/uploads/1/3/4/9/134900452/a7946de2b0d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/fomudebipefasu/xogisezorokum.pdfIn PDF document text
    • https://s3.amazonaws.com/rovikibixu/11337259172.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc79565504bb4653ce62487/t/5fc84c4cf97c193540eaf862/1606962253318/polly_pocket_race_car_track_instructions.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6d8ba969-f9eb-4d48-ad7a-4e179430fe1d/kizetubomijaganijim.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0ecedbf71053ccb1052a5/t/5fc200b7f3de5e49b5ab063b/1606549689539/llenar_solicitud_de_empleo_en_linea_gratis.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6c56ba0b-5d29-41f9-a6ef-409a69405778/depevazavanipem.pdfIn PDF document text
    • https://s3.amazonaws.com/setikizo/dazitanenovekamamudukez.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d1d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1D1 5436 bytes
SHA-256: 7c0262ef2d50d76b55831b4157696963d8337a522ed56c862173f01a375730f3
font_01_sfnt_off0000e458.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE458 10628 bytes
SHA-256: 3f26e0d5ac6b8ea53629e843cc8c8222207d7862d131e7486d87c3daf9c0c2ae

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