Malicious PDF — malware analysis report

Static analysis result for SHA-256 1914ab6cedcad72f…

MALICIOUS

PDF

42.0 KB Created: 2020-10-27 00:19:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-22
MD5: 62e532b6c9fefa19fb7187d51e1cdee4 SHA-1: c6fb299c7275c958e19c9f14037fd2dbe66c17a0 SHA-256: 1914ab6cedcad72fd47bb74367da97fbfa4f7510698edba322d88ca8e67dfb65
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://gettraff.ru/strik?keyword=clifton+public+schools+superintendent In PDF document text
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/busixakowun_zefisuni.pdfIn PDF document text
    • https://kulilopoxi.weebly.com/uploads/1/3/4/3/134375859/2dba6f75cb56bdd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383802/normal_5f8bc75fb1fe2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387713/normal_5f8ea968f3283.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371791/normal_5f9272faa913e.pdfIn PDF document text
    • https://vebifejelib.weebly.com/uploads/1/3/0/7/130775119/dipuzusem_jabiti.pdfIn PDF document text
    • https://zarurirabug.weebly.com/uploads/1/3/4/3/134355130/kurerekewusetun-vafabuxezaw-xosas-wimalotinugi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3157/6226/files/19872793444.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1291/4332/files/gudoxoxejuwolosagaxiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/0915/8563/files/gorditas_de_maiz_y_harina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/0195/3442/files/tanerasa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/8294/3131/files/sunday_lawn_care_coupon_code.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ca89983-e98f-432d-a7d2-066d858ee143/5644555060.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/0726/1853/files/tipos_de_parrafos_clasificacion_y_ejemplos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0268/7447/8779/files/20105936347.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/9333/4456/files/jewudiwofilepokezaranul.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_off0000653f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x653F 5080 bytes
SHA-256: cf13dfb551094f96c8f5d4d39a1e2d26bea3adec4f26749f1bc8d115277e10af
font_01_sfnt_off00007675.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7675 10660 bytes
SHA-256: f27e359f9ab275d05f6ae085be524d83552dfb2437592ea1a670bdbd15d66bdb

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