Malicious PDF — malware analysis report

Static analysis result for SHA-256 68f442ac659886bd…

MALICIOUS

PDF

72.2 KB Created: 2021-02-27 06:20:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: d24f28ae079fe5f1ce8d8187f93e52c5 SHA-1: fd5bc123f0991230c8251b3c00de8af60f8f408c SHA-256: 68f442ac659886bdd7b824152340235d4b3ab7cc5d97303930b96eafc6353841
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://soxebez.ru/award?keyword=charter+remote+guide+not+working PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4474170/normal_5ff39ce88d1df.pdfIn PDF document text
    • http://klyshsheff.xyz/7965503977bodnh.pdfIn PDF document text
    • http://cmb-accueil.com/banana_game_for_mobilejqkcg.pdfIn PDF document text
    • http://rbqjkwklnd.xyz/the_lovesong_of_j._alfred_prufrock_summary_shmoop2y4kp.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4491933/normal_5fe97c5c9fbe4.pdfIn PDF document text
    • http://salonly.xyz/18742450575usdxx.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459624/normal_60263a0c3b906.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453900/normal_5ffa8bd2c67de.pdfIn PDF document text
    • http://worabipupe.mypressonline.com/how_to_reset_a_well_pressure_switch.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495393/normal_5fe089803dadb.pdfIn PDF document text
    • http://tibagisuminove.sportsontheweb.net/hp_pavilion_27-qa179in_price.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/vukumesoj/campbell_biology_second_canadian_edition_free.pdfIn PDF document text
    • https://s3.amazonaws.com/xuzakob/buxumo.pdfIn PDF document text
    • https://s3.amazonaws.com/pusori/ms_word_bi_fold_brochure_template.pdfIn PDF document text
    • https://s3.amazonaws.com/sajatofubote/android_studio_3._0_change_package_name.pdfIn PDF document text
    • https://s3.amazonaws.com/fewifuwu/modle_de_bulletin_de_salaire.pdfIn PDF document text
    • https://s3.amazonaws.com/genukopapovixo/vmware_esxi_6._0_u3_iso.pdfIn PDF document text
    • https://s3.amazonaws.com/zarusegibitumet/how_much_do_disney_cast_members_make.pdfIn PDF document text
    • http://tafiwepamubov.atwebpages.com/dish_wally_wi-fi_usb_adapter.pdfIn PDF document text
    • http://rosajeku.myartsonline.com/suzoguzalodugezoruxefogaj.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_off0000e012.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE012 5088 bytes
SHA-256: edf070cf1d7593b13e02aca789175abc11c771c943a4f448dbc6eb67494fb975
font_01_sfnt_off0000f140.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF140 10060 bytes
SHA-256: 2020b799af0f3337311c6764162c48d83af4532cddcb01fb6718bd6308c49154

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