Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e34227ef317c482…

MALICIOUS

PDF

43.6 KB Created: 2020-10-28 15:05:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-19
MD5: 632751ad069de98cb6a8bd15e3b8ea48 SHA-1: 466a26cbcb608a9569684bfc187b532190ad62bd SHA-256: 4e34227ef317c4828fb97015b95a068bb7673674d8c24a788815b80951b1756d
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://cctraff.ru/strik?keyword=carver+high+school+richmond+va In PDF document text
    • https://cdn-cms.f-static.net/uploads/4408352/normal_5f9825c5e2da0.pdfIn PDF document text
    • https://newejata.weebly.com/uploads/1/3/3/9/133999860/jurove.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374852/normal_5f9936a2653d6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369933/normal_5f8995ee6dd5d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367964/normal_5f88af3141757.pdfIn PDF document text
    • https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/6147974.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/1/0432/7846/7222/files/american_graffiti_cast_now.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/4108/6359/files/gexebusexo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0493/0522/3327/files/82379111380.pdfIn PDF document text
    • https://s3.amazonaws.com/zetare/mowatibomuposuwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7612/2779/files/1023922662.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/9195/8196/files/34570500704.pdfIn PDF document text
    • https://s3.amazonaws.com/salosibejodod/maguwidituwipububiten.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0477/6178/4988/files/lodi_property_management_listings.pdfIn PDF document text
    • https://s3.amazonaws.com/tosasugokod/animal_crossing_city_folk_bug_off_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0506/0116/4965/files/pearson_english_readers_level_4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5696/2467/files/campbell_ap_biology_11th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7790/1214/files/colville_high_school_graduation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0500/5790/4292/files/lenten_rose_planting_instructions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/4868/8552/files/papenekigofaxamigizow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0504/9774/9154/files/gegodezevafuvenokobagop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/8361/9232/files/53798263161.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_off00006b1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B1D 5316 bytes
SHA-256: c4931ac9af632d692ad8c2bdfe54b3e52b8adcf099d359d67f26be9ed0b74005
font_01_sfnt_off00007d0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D0B 10632 bytes
SHA-256: 06bf709af5d8e1bb85af963c78728c0b067c55c01af94a8a2304986394c3e71c

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