Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3ce5ce38ad20602…

MALICIOUS

PDF

81.2 KB Created: 2021-03-23 23:06:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 82669399dfa7b84fdd7a931d59049cd4 SHA-1: 99dc4afc2ac4781215e7ebaa790e93a271840b04 SHA-256: f3ce5ce38ad20602f7feb7408407b879437c678c52079c7629a9011c9cd9eae4
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://gimoguvi.ru/123?utm_term=wpf+datagrid+template+column+binding+code+behind PDF link annotation
    • https://cdn.sqhk.co/janawezexoj/hjOghjj/doomscrolling_meaning_in_english.pdfIn PDF document text
    • https://cdn.sqhk.co/foroboreb/cijc4gh/namamupasenagajetabipemip.pdfIn PDF document text
    • https://cdn.sqhk.co/bibobovezave/hhGPxr8/broken_heart_pictures_free_download.pdfIn PDF document text
    • https://cdn.sqhk.co/fakosopalo/Mlgfwhd/2020_farm_program_calculator.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/3b648d67-67a9-4561-a6b6-2f5faf2d151d/47900602088.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6b212d99-f0c9-4358-b842-d779d776a46c/vujijabilosotulelival.pdfIn PDF document text
    • https://s3.amazonaws.com/zupenafud/yamaha_rxa830_price.pdfIn PDF document text
    • https://s3.amazonaws.com/kubafezin/celebrity_voice_changer_fun_fx_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/vuliwisuwig/najeterozomezu.pdfIn PDF document text
    • https://s3.amazonaws.com/jimugivos/pekesolelegalorazitab.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/16333783-26fe-4ed2-aeee-d199d1b5a45f/kajiwerolozinonusov.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ac3620de-ae6b-482e-b03b-c936e306d451/pabufigebapiw.pdfIn PDF document text
    • https://s3.amazonaws.com/mufukep/61510855143.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6a33b47d-8513-44f2-8504-6ae91bb98733/breadman_plus_bread_machine_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/radubozufiwo/70683757002.pdfIn PDF document text
    • https://s3.amazonaws.com/jefobexapulow/chemistry_punjab_textbook_for_class_12.pdfIn PDF document text
    • https://s3.amazonaws.com/sizabo/canon_in_d_classical_guitar_tab.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/19907133-471d-4dbb-8af4-b29e9853a718/rewuguredazebi.pdfIn PDF document text
    • https://s3.amazonaws.com/zerejibixupav/neel_akash_bagania_song.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/04b5359a-ed77-469f-9853-c1830e595f8e/i_am_not_what_you_think_i_am_meaning_in_hindi.pdfIn PDF document text
    • https://s3.amazonaws.com/nazekisigiduz/how_to_structure_a_critical_appraisal_essay.pdfIn PDF document text
    • https://s3.amazonaws.com/lebejos/iadt_trauma_guidelines_2012.pdfIn PDF document text
    • https://s3.amazonaws.com/kozibowisenatu/update_aadhar_card_by_urn_number.pdfIn PDF document text
    • https://s3.amazonaws.com/faduxodiwo/64912930515.pdfIn PDF document text
    • https://s3.amazonaws.com/wujodibu/chalanachitra_full_movie.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_off0000fbe8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBE8 5544 bytes
SHA-256: 933ff2211b644509a9aff300d6dc8b75193af395d014ad746b1074f44e31215b
font_01_sfnt_off00010ea6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EA6 11868 bytes
SHA-256: 7a5ebb3dfaacc729989e347de41d3b53477a9018d6d74322dd29ce84a97250bf

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