Malicious PDF — malware analysis report

Static analysis result for SHA-256 205a51d1b48e356a…

MALICIOUS

PDF

78.5 KB Created: 2021-01-25 14:40:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-07-20
MD5: f6107f7ede6d42eb90b787b363ac0633 SHA-1: 924cc213ef55abd21ddaf53b7bfdb5a393755686 SHA-256: 205a51d1b48e356a772cfb1961dd3e4b67a26138cbdea6c3409882085e7b7cb3
256 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Viral-video clickbait PDF links to suspicious host critical SE_VIRAL_VIDEO_CLICKBAIT_LINK
    Document uses viral/leaked-video lure text and links to a suspicious disposable-looking web host. This is a clickbait/traffic-scam carrier shape rather than a benign PDF link.
  • 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 http://1eyvgo.xyz/ponijomahz0bn.pdf In PDF document text
    • http://netzamka.ru/idle_knights_mod_apk_1._1._238j8yd.pdfIn PDF document text
    • https://wedemewimobuxet.weebly.com/uploads/1/3/4/3/134309086/zesowow.pdfIn PDF document text
    • https://s3.amazonaws.com/tumasun/ppt_animated_slides.pdfIn PDF document text
    • https://s3.amazonaws.com/simujix/vabikalazirugaxajem.pdfIn PDF document text
    • https://s3.amazonaws.com/fenatagazise/hulme_white_metal_platform_bed_frame.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462974/normal_600b1d30f01b4.pdfIn PDF document text
    • https://s3.amazonaws.com/timituvupame/bellator_mma_onslaught_ps3.pdfIn PDF document text
    • https://dobopekajami.weebly.com/uploads/1/3/4/3/134314215/tisejamow.pdfIn PDF document text
    • https://davabodijesofid.weebly.com/uploads/1/3/4/4/134474123/b373cce7.pdfIn PDF document text
    • https://s3.amazonaws.com/mejifavo/24757186260.pdfIn PDF document text
    • https://s3.amazonaws.com/sasufufa/android_captive_portal_source_code.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482189/normal_5fdd3f7d97d94.pdfIn PDF document text
    • https://s3.amazonaws.com/pafiganovavi/lithops_care_sheet.pdfIn PDF document text
    • http://cheapkeys.site/war_kabir_bgm_ringtone_download_mp3yn7fc.pdfIn PDF document text
    • https://xajobukemuxup.weebly.com/uploads/1/3/5/3/135398270/rabawopewaloxe.pdfIn PDF document text
    • http://helpcontactform.com/spongebob_alarm_clock_sound_downloadt2w8x.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484623/normal_5fde751727d8f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467593/normal_600b3316917a7.pdfIn PDF document text
    • https://s3.amazonaws.com/lawakux/animated_presentation_software.pdfIn PDF document text
    • https://trafffe.ru/wb?keyword=politics%20news%20nowPDF link annotation
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000eafe.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000eafe.bin)
    • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00011efe.bin)
    • http://mepojijolotezud.rf.gd/zuloraxutolej.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_off0000eafe.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eafe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAFE 4368 bytes
SHA-256: e31913ad57f50cb611131cce8c99f10b3d64bc977fbe1656522982cc6e912fc3
font_01_sfnt_off0000f9e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9E8 10876 bytes
SHA-256: d0bc6576f495032a1bc2cc7ac0aa4d27059c49f84472706d19ead4d2b8f822a7
font_02_sfnt_off00011efe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EFE 4324 bytes
SHA-256: ad623bc7c681097dfa1224999cf6cc6072d3ca9a137655dc1129b0261f0b357c