Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d5852fba8204ac0…

MALICIOUS

PDF

44.0 KB Created: 2020-10-06 23:33:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-11
MD5: 44827f56fa0897b498e3beda0a1bf01f SHA-1: 142aeda401691657c689fc94cbea344bbaabf86f SHA-256: 0d5852fba8204ac08085df420c776ee18111a8714e26a05ec4fce51835315248
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://ggtraff.ru/strik?keyword=calendrier+liga+2019+et+2020+pdf In PDF document text
    • http://zinezere.tangelohouse.com/uploads/1/3/2/6/132695636/bunimozax-pabobixob-fusepiziwiga-bususoximusi.pdfIn PDF document text
    • http://files.vivianselles.com/uploads/1/3/0/8/130814858/60684ec7.pdfIn PDF document text
    • http://files.thursdayisthenewfriday.org/uploads/1/3/1/8/131856134/9752762.pdfIn PDF document text
    • http://files.acetresearch.org/uploads/1/3/1/4/131438234/totajotovuwij_gebigojadez_zedawuzis.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006805.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006805.bin)
    • https://uploads.strikinglycdn.com/files/0df4db4b-6d19-402c-b153-bf9054f1c02e/lixutibew.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/200dad4b-7a5f-4b7a-9d85-b973bd6cf1d1/tibineju.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/74000272-d966-4d6a-b2c0-0f32fc6b40c0/74608082.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/0842/8704/files/10711046074.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1500/4582/files/ut_homework_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/2680/3619/files/78692689525.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9400/6177/files/active_physics_textbook_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/537506dd-138d-45e5-a710-8705b2f0e0e3/kevokelanamopogadibit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/47221b0a-5875-40d2-be21-e859065098dd/wofaxedefunegevurolaxe.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 extracted file (font_00_sfnt_off00006805.bin)

Related samples 5

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_off00006805.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6805 5420 bytes
SHA-256: 9e0d3d584b0143dfacaf6877d0753bcc8fa94a27c036b167dbe8769be246574f
font_01_sfnt_off00007a83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A83 12932 bytes
SHA-256: 17dab172bcd6f4a28ff159923d94244f94343a9b58a29b9ac1f181773509ce0a

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