Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc9fb68d93b8cab2…

MALICIOUS

PDF

74.2 KB Created: 2021-04-19 03:17:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 0d47a7772aa4a0e9bd7afe1576c23c1e SHA-1: 8c557e30d568f16a62ef6f8f19e874ecaf745972 SHA-256: fc9fb68d93b8cab2b9905d6b0d17156d727f85ba49f1970fff2b65bcb03cd923
152 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to a phishing domain. The ML classifier also flagged the PDF with high confidence. The embedded URL is likely intended to lure users into clicking and visiting a site that may attempt to phish for credentials or deliver further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8702

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://crophysi.ru/strik?utm_term=how+to+lose+weight+on+paleo In PDF document text
    • http://dikegebe.mygamesonline.org/alkyl_halides_notes.pdfIn PDF document text
    • https://cdn.sqhk.co/difejekexe/hggdhaW/39950562472.pdfIn PDF document text
    • http://italy50wow.pro/lofegacz4jh.pdfIn PDF document text
    • http://titanovyi-filtr.ru/saftiger_apfelkuchen_rhrteig_springformwlvmu.pdfIn PDF document text
    • https://cdn.sqhk.co/miloxuso/bvAgjV8/billie_eilish_i_love_you_lyrics_terjemahan.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388619/normal_60225030d1de3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393911/normal_604a9f1a6b2f2.pdfIn PDF document text
    • https://cdn.sqhk.co/beledufe/gVkk00j/best_way_to_play_blackjack_online.pdfIn PDF document text
    • http://opensoda.pro/59434579624d3qq5.pdfIn PDF document text
    • http://fly-drive.online/81292203143sxem4.pdfIn PDF document text
    • http://zomosidotewe.sportsontheweb.net/alta_frecuencia_facial.pdfIn PDF document text
    • https://cdn.sqhk.co/rapalaxob/hijajhl/lojenerezuwufunulotuga.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/a045d5cb-a50e-4d89-90b7-3300c26bdf4d/what_warning_does_the_nurse_give_romeo_and_why_do_you_think_she_does_this.pdfIn PDF document text
    • https://s3.amazonaws.com/jakujakula/parquet_format_file_example.pdfIn PDF document text
    • https://s3.amazonaws.com/sirilagewuga/61092953261.pdfIn PDF document text
    • https://s3.amazonaws.com/tomamujuf/phantom_of_the_opera_mask_symbolism.pdfIn PDF document text
    • http://xomapagovujux.atwebpages.com/asus_x205ta_upgrade_ssd.pdfIn PDF document text
    • http://bodegifu.atwebpages.com/22749560872.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/284466f4-f2ee-4126-bed5-a52bb7d2628b/10866137643.pdfIn PDF document text
    • https://s3.amazonaws.com/vukujidor/logudixuzuki.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/012b3c0b-8393-4b70-a8a6-2b76bd9c3d00/46086051015.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010dba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DBA 5036 bytes
SHA-256: b3fd6318f44ad7e63c5cedb5f3b73f2adbd1a02550183889a30fbf797a89834c