Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec474afd219c2b45…

MALICIOUS

PDF

77.4 KB Created: 2021-03-15 16:32:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: b082385c17bf61096d508ed7d5a11094 SHA-1: 270a4da5de8ffefae77a124c4ea6e61037e60fde SHA-256: ec474afd219c2b45ebfd90c94b9b6ac93ae5e07400dcb2e3c5d10204a61c6e93
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The embedded URL points to a suspicious domain, likely serving a malicious payload or phishing content. The document body, though heavily obfuscated, suggests a lure related to 'templatedparent wpf binding'. No scripts were extracted, but the presence of external URLs and the nature of the heuristics strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://midufefew.ru/123?utm_term=templatedparent+wpf+binding PDF link annotation
    • http://straponartist.com/mary_poppins_returns_trailer_castisg2r.pdfIn PDF document text
    • http://wijawoga.22web.org/the_wave_todd_strasser.pdfIn PDF document text
    • http://idealicaitalia-official.site/rimunazawesemanigukeuu12q.pdfIn PDF document text
    • http://rodsfish.club/54532557690ign83.pdfIn PDF document text
    • http://copyrightprivacy.site/37472528109sgsab.pdfIn PDF document text
    • http://helplnstagramcontact6088756.com/dave_chappelle_sticks_and_stones_downloadepvro.pdfIn PDF document text
    • http://repaircreditscore.info/4558968717929srv.pdfIn PDF document text
    • http://idealica-co.site/897146884386vk24.pdfIn PDF document text
    • http://cardioactiveuficiale.site/how_to_take_apart_kenmore_dryer_model_110x9o8g.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/pasawexawinogad/jazumun.pdfIn PDF document text
    • https://s3.amazonaws.com/paxivogedewilu/honda_canada_atv_manuals.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7cacfb70-c884-49c7-be6d-70f1c880216b/dukep.pdfIn PDF document text
    • https://c42f9ea9-07dd-4fcc-93c2-70cbd53370b9.filesusr.com/ugd/b5472a_e8a0db2efc7647539cfe4d83f9adb601.pdf?index=trueIn PDF document text
    • http://vomifavub.epizy.com/9447816231.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8781b29b-bdd3-4e7a-8f2d-72e2ba2c8104/acer_laptop_keyboard_not_working_after_cleaning.pdfIn PDF document text
    • https://s3.amazonaws.com/sigobija/famusefuwuragowamaku.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/033a423e-85db-469a-ba00-518757e7d331/only_love_is_real_carole_king_chords.pdfIn PDF document text
    • http://dumavibir.rf.gd/game_theory_applications_in_real_life.pdfIn PDF document text
    • http://dutagewenurodub.epizy.com/61653262670.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/348bdd17-a8c8-495c-a307-cf60d9cd4572/beripin.pdfIn PDF document text
    • https://s3.amazonaws.com/dibedamoka/best_circular_saw_cutting_guide.pdfIn PDF document text
    • http://nufaviziziji.epizy.com/potowa.pdfIn PDF document text
    • https://8ca15cf9-c5bf-4329-906a-32df3c7b5ab7.filesusr.com/ugd/4ca7f5_4a4595419943407aaf8bd77dbc23e02a.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/kawotexulozax/45861367322.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000da5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA5E 6008 bytes
SHA-256: c9a942fc2b6e5f5993e578de47a659c944bd6c25011a55bea57f3780aa4cd836
font_01_sfnt_off0000eed1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEED1 5364 bytes
SHA-256: de2707407901ad4b5651e98c014ffb126fe5581b052b8f67811bc10c1e7f8409
font_02_sfnt_off00010108.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10108 11428 bytes
SHA-256: de5aec98e404a93fa793f29fe1e518c87893e7e1a675263d9acd8bdce39c6b7b

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