Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d2cdd7b229387ab…

MALICIOUS

PDF

135.6 KB Created: 2021-02-02 08:07:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: a568de40ad8183c89b9b649ebb9487c1 SHA-1: 1d60b85579d6071b7fa54c3a33e2fe1e74bc7890 SHA-256: 8d2cdd7b229387ab570bd3df07b9d1cc4346d6ec33ea92a9d14d24d3afff08e0
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or link farm distribution. It contains numerous external links, including one pointing to 'baarspo.ru', suggesting an attempt to redirect users to potentially harmful websites. The heuristic 'PDF_SEO_LINK_FARM' indicates a deliberate structure to host many external links, likely for SEO manipulation or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8958

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://baarspo.ru/aws?utm_term=new+tamil+christian+songs+2018+free PDF link annotation
    • http://xogabimodefage.iblogger.org/liumy_oscilloscope_multimeter_manual.pdfIn PDF document text
    • http://tonalemeketav.66ghz.com/letter_a-_z_tracing_worksheet.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465709/normal_5fe25c9d7ba0a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4480182/normal_5ffdd51b01a6f.pdfIn PDF document text
    • https://simokatojerosu.weebly.com/uploads/1/3/0/8/130874490/9924799.pdfIn PDF document text
    • https://jalesebexiw.weebly.com/uploads/1/3/0/7/130739560/880b394df372.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421058/normal_5ff66e8d3f47d.pdfIn PDF document text
    • https://mufewikusa.weebly.com/uploads/1/3/4/0/134042586/dezogoxugodokoxizoti.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379380/normal_5fdbdba941540.pdfIn PDF document text
    • https://s3.amazonaws.com/jusuberu/46198224454.pdfIn PDF document text
    • https://s3.amazonaws.com/dubiditiginowo/6723320866.pdfIn PDF document text
    • https://s3.amazonaws.com/tutapaxi/bibbulmun_track_maps.pdfIn PDF document text
    • http://luxotenudiwuzu.rf.gd/aswamedham_telugu_movie_audio_songs_free.pdfIn PDF document text
    • https://s3.amazonaws.com/lovomijelun/media_player_program_in_android_studio.pdfIn PDF document text
    • http://notaruk.rf.gd/84169417738.pdfIn PDF document text
    • http://fipiwafupogo.epizy.com/lozosasodupepipan.pdfIn PDF document text

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