Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc38d24bb2bb6fc6…

MALICIOUS

PDF

362.2 KB Created: 2021-01-17 11:22:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12
MD5: 6dbbc4bc772bed272bfcc77cef28f841 SHA-1: b12e749a4379fb76e7d3e3fd2e36400c5b8c7501 SHA-256: fc38d24bb2bb6fc668010360388847b89d24a293c972918b1fa3c14e98643f0d
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, with heuristics indicating the presence of an external URI. The embedded URL, 'https://traffset.ru/aws?utm_term=invesco+perpetual+uk+smaller+companies+factsheet', is likely part of a phishing attempt to impersonate a financial document. No scripts were extracted, but the PDF structure and URL suggest a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9742

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://traffset.ru/aws?utm_term=invesco+perpetual+uk+smaller+companies+factsheet PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4373986/normal_5fbf11573b0c5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409425/normal_5fab9f96d7d75.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414334/normal_5fe6540dadc1a.pdfIn PDF document text
    • https://cdn.sqhk.co/tajelezoja/iMjhgeC/ball_holen_hausfriedensbruch.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469116/normal_5fd1c46cd422f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382406/normal_5fb2f51830bf3.pdfIn PDF document text
    • https://cdn.sqhk.co/zurosewe/3gc6ibC/52119347165.pdfIn PDF document text
    • https://cdn.sqhk.co/fosojatesog/IsWih6N/finally_ants.pdfIn PDF document text
    • http://gijutudubesakuz.iblogger.org/spongebob_boi_meme_template.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368770/normal_5fe400b962fe0.pdfIn PDF document text
    • https://cdn.sqhk.co/dejuxafe/gjijbTw/1343374821.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368736/normal_5f8a8cab1187f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412161/normal_5f9a72bd14201.pdfIn PDF document text
    • https://cdn.sqhk.co/sisadenev/ihahjAK/63362998666.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://zewixezix.epizy.com/31092366661.pdfIn PDF document text
    • http://susesibukof.epizy.com/dress_pattern_making_books.pdfIn PDF document text
    • http://vamivesuger.epizy.com/wewirudodus.pdfIn PDF document text
    • http://favekagopu.epizy.com/17969154703.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053c34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53C34 3924 bytes
SHA-256: 85308601d9135454910240bfdad8817e0ac2e5307433be786283c1d5dad4462d
font_01_sfnt_off00054a1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54A1E 5200 bytes
SHA-256: dd2e38cf09b3281643ca87b149ef327215eadd8820379513d13bf0c05806b0c6
font_02_sfnt_off00055ba1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55BA1 14528 bytes
SHA-256: 0ff6c65428afff755f98d727ec98a9ba4e92fa5e94b44b5cd9aa824f56eb4dca
font_03_sfnt_off00058a68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58A68 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

Open this report in the interactive analyzer, or submit your own file for analysis.