Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6babf12deaab1f…

MALICIOUS

PDF

53.4 KB Created: 2020-10-11 15:07:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: 667d74713858197096d4b243b8809fbe SHA-1: 0dc07c4b34d514dc51063e738e0c1bd420cda63d SHA-256: 2b6babf12deaab1fb62de511fde083c3617008f2c832a440e5448d0f6793381a
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=meteoroloji+m%25C3%25BChendisleri+odas%25C4%25B1 In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0266/8144/2491/files/pivuzumodaloxiwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/1465/1559/files/craigslist_boise_idaho_community.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/8965/2648/files/upco_intermediate_level_science_answer_key_chapter_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/2917/9811/files/how_to_make_a_research_question_examples.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fce8757a-b2d4-4c7c-afcc-91018e53c8b5/razufewisote.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ed0c8e8-c46f-40ef-bad6-cec269d80903/xijujixigekegaveni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0492/3008/6297/files/lectrosonics_um400a_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0863/8632/files/another_word_for_never_again.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0486/0723/2158/files/sony_mdr-rf970rk_review.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9433/4870/files/warrior_of_the_west_set_nioh_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0476/9044/9062/files/rajuvegasidigajufumuf.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b5b437ab-167b-4537-bf60-74d120089150/82237136684.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/756b5716-206b-4a70-a47f-ba777904b0fd/53156969824.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e51c699-374f-4f7b-bd34-03729da059dc/97101095852.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e28f30d-443f-40b2-876d-e39018940002/48625938089.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008184.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8184 5088 bytes
SHA-256: 922dbd0cf8443554560efaf815d9ca205daa4b99eec55c4eeba24469469cbc52
font_01_sfnt_off000092a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92A0 12064 bytes
SHA-256: 9fea3ea7b7059e45bf13fbe3e009d5f5cb881546eacf5a459952171df3aab70f
font_02_sfnt_off0000b84d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB84D 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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