Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7feee88bb89911…

MALICIOUS

PDF

47.8 KB Created: 2020-10-12 22:41:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-19
MD5: 773d0a36246330ce9480e816a1610a61 SHA-1: f568b5c25f49185c9f678297efbcba2672c35479 SHA-256: cd7feee88bb899117b328fd13290117ba754dea7ef74d5ca78aa3079b2b7c098
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=coach%2527s+eye+mod+apk In PDF document text
    • https://site-1039748.mozfiles.com/files/1039748/jenone.pdfIn PDF document text
    • https://site-1042106.mozfiles.com/files/1042106/seputujafunoxepewiwida.pdfIn PDF document text
    • https://site-1041690.mozfiles.com/files/1041690/sekevev.pdfIn PDF document text
    • https://site-1037169.mozfiles.com/files/1037169/34189043371.pdfIn PDF document text
    • https://site-1038717.mozfiles.com/files/1038717/23662154867.pdfIn 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/1/0484/6148/0097/files/gabotivozijezijozoje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/7766/4413/files/88091898909.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4142/1474/files/final_fantasy_14_summoner_materia_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0497/9965/9681/files/bafisavuseboz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0477/3114/6908/files/enthalpy_change_of_formation_of_nacl.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4c061f1a-3dab-493d-9911-fe6a213afa00/23668675676.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d7f254e5-2ae6-4dba-89f4-4d0b14fc7ab9/61455374097.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f7e99b96-f2e5-4a29-a1b0-f43304ad12ca/47238451748.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/68794389-9a81-436d-9062-3e0fe3c8b86f/dejagobobipetegiv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e2e1f687-a068-4308-ae9f-0ea915dc72a7/zotuketimil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1533/1227/files/vocab_unit_6_level_c_antonyms_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0477/2777/1804/files/tetagobumamorikotu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0541/0471/files/zilifezimutomo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0492/0351/1445/files/xenasej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3262/4797/files/52126853207.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_off00006250.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6250 4960 bytes
SHA-256: 70be69ab396df9a733a931188ac5f93d1ec971ab398de62992d6e08d53ea7ad5
font_01_sfnt_off0000733c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x733C 15100 bytes
SHA-256: d1eaf87560eb9283ed4ee7fb1335b9f096ed93b5284b6b255b00c92ad786bd6c
font_02_sfnt_off0000a237.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA237 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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