Malicious PDF — malware analysis report

Static analysis result for SHA-256 a39c1c26570a6a6a…

MALICIOUS

PDF

65.2 KB Created: 2021-04-01 19:45:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 985246c6e7b48b51159d80c4d03b5be3 SHA-1: addeffc50912106d5083d7411613732fbd8574d3 SHA-256: a39c1c26570a6a6a3f517905072b8e7ac1caab1476d11fee2e40ba64aeec8d8d
94 Risk Score

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 0.8273

Heuristics 3

  • 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
  • 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://druttle.ru/award?keyword=belajar+bahasa+arab+cepat+pdf PDF link annotation
    • https://cdn.sqhk.co/porosobof/kPKhhQG/80600030385.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384471/normal_603a853692efb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474231/normal_6005ba806bd08.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393179/normal_600185d615772.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380223/normal_603956401c8f4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375696/normal_5fd729f9d012e.pdfIn PDF document text
    • https://cdn.sqhk.co/feketukadoz/ifhdiaI/61363646210.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369166/normal_604a527e52add.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490132/normal_6038e245b0767.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472198/normal_602b098800bc5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476443/normal_6043065f55cb6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412377/normal_60443f205ecf1.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/c671c76f-80ce-43af-80aa-543d30c72777/evenflo_convertible_car_seat.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7127039b-3b9e-46c4-a808-b0a87155e496/trackhawk_on_gta_5_online.pdfIn PDF document text
    • https://s3.amazonaws.com/tuxutedi/govekemo.pdfIn PDF document text
    • https://s3.amazonaws.com/kulinisokakewi/7948879042.pdfIn PDF document text
    • https://s3.amazonaws.com/dikobepibelun/android_headphone_jack_pinout.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/69dc564b-78cc-4976-a91f-feafcfac724b/91709785230.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2c0271fd-070d-4a6c-9412-4afa0622d848/najafefafe.pdfIn PDF document text
    • https://s3.amazonaws.com/xisefowu/door_name_plate_template.pdfIn PDF document text
    • https://s3.amazonaws.com/sojebelevenex/graco_magnum_prox7_paint_sprayer.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_off0000e42d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE42D 5508 bytes
SHA-256: a71308387f71c207753a32f2821405a1d2f51115de3f53dea8f331caefcef76b