Malicious PDF — malware analysis report

Static analysis result for SHA-256 7827c08690a116e5…

MALICIOUS

PDF

113.9 KB Created: 2020-12-03 06:43:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-16
MD5: 0cdb420b1ab6137e2e111b63a31f20a9 SHA-1: da9f8e7e53387348b18a4e14fc67465e3409e720 SHA-256: 7827c08690a116e579ced763568b33d8631e2c1e40d5a5043219acc05d9220e0
254 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
  • 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/123?utm_term=pokemon+mystery+dungeon+explorers+of+time+starters In PDF document text
    • https://cdn-cms.f-static.net/uploads/4391001/normal_5fa6adba7340b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446937/normal_5fb4cd5c857ec.pdfIn PDF document text
    • https://zosupexaduj.weebly.com/uploads/1/3/0/7/130738593/zalulifugog.pdfIn PDF document text
    • https://nowakepofor.weebly.com/uploads/1/3/4/3/134369235/sexufujilovelifemivo.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/xezonijida/70517498259.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd01f3dae50a014587fb73/1606222324134/fofoxolepulibenupu.pdfIn PDF document text
    • https://s3.amazonaws.com/dejolavubukugeb/watch_the_lord_of_the_rings_1_123movies.pdfIn PDF document text
    • https://s3.amazonaws.com/xurixado/86063586642.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxulikiwab/67860390991.pdfIn PDF document text
    • https://s3.amazonaws.com/fikuvine/2019_chevy_spark_owner_s_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/susopuzupure/40591204254.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0c87788c99b6d37a67a80/t/5fc24504eaf37e3b64e6e0f9/1606567173237/the_jolly_postman_series.pdfIn PDF document text
    • https://s3.amazonaws.com/pusori/40857527064.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_006_off00018e1d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x18E1D 23912 bytes
SHA-256: e7471c180e96237a885ab7df5aca1cb925e75f2c06c7d2fe67e61afd6a409734
font_00_sfnt_off00013ec6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13EC6 6596 bytes
SHA-256: f67ad92a52293a372a53c40bb0c3961cfc2695d697f7e8a443952b233e4fd460
font_01_sfnt_off00015530.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15530 5596 bytes
SHA-256: 17c42ab8e7f5145187cc09e542c7a74d5ecf0fc067fc921b753e06044e857625
font_02_sfnt_off00016840.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16840 11532 bytes
SHA-256: 7da2f842535033fb76c12a83daa39e3ced6c1061d8f4cbe30e913f6c737db850

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