Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c36b99dc46f8709…

MALICIOUS

PDF

69.2 KB Created: 2021-03-05 12:40:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2fe95119b56565d4d40a317ac791b859 SHA-1: 43938191cd272fbcf3e285b8725c87edcf805639 SHA-256: 3c36b99dc46f87092e5818dccb1b8549c0c3d90931ee074c29948157441ee26b
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://xezojetit.ru/wix?keyword=honeywell+he200a1000+installation+manual PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4449793/normal_5fcd6ae662f24.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382414/normal_5fe57d8781a6d.pdfIn PDF document text
    • https://cdn.sqhk.co/velizovatim/jmWVhia/85936216822.pdfIn PDF document text
    • https://cdn.sqhk.co/fusifanux/heI4Jkm/elements_of_art_shape_and_form.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4493198/normal_5fc5d8f079859.pdfIn PDF document text
    • https://cdn.sqhk.co/befozaxulot/in5ifS0/cheats_for_gta_vice_city_iphone.pdfIn PDF document text
    • https://cdn.sqhk.co/xunijejozi/XiDlIhe/lekuboremewolajemomimuxo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446782/normal_601abb9b1f7de.pdfIn PDF document text
    • https://cdn.sqhk.co/rupomotiz/PlijzPj/86347938095.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495837/normal_600624933d69e.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/runuzitexokol/33629142487.pdfIn PDF document text
    • https://s3.amazonaws.com/kibavutibeved/what_is_genre_filmmaking.pdfIn PDF document text
    • https://s3.amazonaws.com/getizar/google_drive_website_templates.pdfIn PDF document text
    • https://s3.amazonaws.com/jenagubadopi/29053655548.pdfIn PDF document text
    • https://s3.amazonaws.com/vovuzize/colorado_acknowledgement_form_notary.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0c9e0c79-dd11-4de7-a790-6eeda1b502d3/nivofekakujajut.pdfIn PDF document text
    • https://s3.amazonaws.com/fowonaxul/mla_bhatti_vikramarka_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/desekusoxi/kitexapunijiza.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e249d4c7-88d0-4665-98a3-34b4127c8c8e/spektrum_dx7_factory_reset.pdfIn PDF document text
    • https://s3.amazonaws.com/vekodupiwarobi/confined_space_rescue_technician_field_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/marvel_future_fight_apk_obb_latest_version.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e58a7497-6725-4356-9dc3-fca38acca6d0/19325010274.pdfIn PDF document text
    • https://s3.amazonaws.com/jujojomojemiz/che_guevara_song_mp4.pdfIn PDF document text
    • https://s3.amazonaws.com/jefobexapulow/android_button_onclick_example_code.pdfIn PDF document text
    • https://s3.amazonaws.com/gixirojozogufux/bushnell_hd_trail_camera_manual.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d489.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD489 5312 bytes
SHA-256: 338238b863c454d5e75311c1842f0764a6e1a7179904bda6bd43e8b286016de3
font_01_sfnt_off0000e685.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE685 9596 bytes
SHA-256: 3c609e15872ee22c29206ab76d245e329df13cc2da2a32e8e4bc1ac22c404262

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