Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6d1c5892223571…

MALICIOUS

PDF

77.7 KB Created: 2021-01-19 14:11:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: e6515b415555eb6b82dda3f7602672e6 SHA-1: a0016488b0244748bb1e2a8bdc2d0ceccedb06f1 SHA-256: 2b6d1c5892223571cd9913522a9f2be893c434bb3abf16e39c92adf8b958fea2
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://seumenha.ru/123?utm_term=doss+soundbox+manual+espa%25C3%25B1ol PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4455208/normal_6000b7f8b8569.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409122/normal_5fa6a7020bb45.pdfIn PDF document text
    • https://site-1168218.mozfiles.com/files/1168218/only_one_you_vitamins.pdfIn PDF document text
    • https://site-1178778.mozfiles.com/files/1178778/44189549556.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459926/normal_6002014e004b7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409992/normal_5f9e11ccd7616.pdfIn PDF document text
    • https://lajukigoguxozu.weebly.com/uploads/1/3/4/5/134529026/ledigilexokodu_guxuk_kuvokuku.pdfIn PDF document text
    • https://site-1178858.mozfiles.com/files/1178858/evolutionary_theory_of_government_authority.pdfIn PDF document text
    • https://site-1194434.mozfiles.com/files/1194434/tropico_5_cheats_xbox_360.pdfIn PDF document text
    • https://site-1171722.mozfiles.com/files/1171722/37775316967.pdfIn PDF document text
    • https://cdn.sqhk.co/ludibipimilu/gljhjeQ/word_family_oxford_english_dictionary.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/mejigavukolu/wiwigozoxaxorewidedegopi.pdfIn PDF document text
    • https://s3.amazonaws.com/xutomoxu/zodojititukenamubipode.pdfIn PDF document text
    • https://s3.amazonaws.com/zirojopemup/beginning_digital_electronics_through_projects.pdfIn PDF document text
    • https://s3.amazonaws.com/salosibejodod/ileostomy_reversal_diet_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/xuzed/talazenirododugerifaz.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ca4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA4C 5428 bytes
SHA-256: 018ff5432c851ba925ce1e0d91ca11c172744de65307f54c8a42a1ba92003c30
font_01_sfnt_off0000dc68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC68 3952 bytes
SHA-256: 61326d7afdfee074d9132c0c92e56a9a4f93a67e980175295d7cbb36b0ff4a1c
font_02_sfnt_off0000ec24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC24 11336 bytes
SHA-256: 68e48e449e669fb193fe45f5fb1a016dc416991582912d427fda2efe17904eed
font_03_sfnt_off00011307.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11307 16036 bytes
SHA-256: 354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb

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