Malicious PDF — malware analysis report

Static analysis result for SHA-256 70a158f63eff4f24…

MALICIOUS

PDF

96.7 KB Created: 2021-05-31 22:13:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d0d39e8b15d6d5152284827cd130c402 SHA-1: 2520711219c67ce95147ceaed43a33d32694330b SHA-256: 70a158f63eff4f24188fdbbeeea3778fa4feaafdfc3e27b79a536cc808624801
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of external links, many pointing to potentially malicious domains, as indicated by the PDF_SEO_LINK_FARM heuristic and ClamAV detection. The embedded URLs suggest an attempt to redirect users to phishing or malware hosting sites. While no scripts were explicitly extracted, the PDF structure and heuristics strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9666

Heuristics 4

  • 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.
  • 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://crysiq.ru/pbw?utm_term=fahrettin+razi+tefsir+oku
    • https://cdn-cms.f-static.net/uploads/4417530/normal_605065943b4cb.pdf
    • https://nitowapesapu.weebly.com/uploads/1/3/4/4/134442046/f0049.pdf
    • https://zawiwiguxasawum.weebly.com/uploads/1/3/0/7/130739629/retewemolivi-tugerovavudimor-xezakilad.pdf
    • https://gimipozadifan.weebly.com/uploads/1/3/1/3/131380487/7136424.pdf
    • https://famosufed.weebly.com/uploads/1/3/4/9/134900490/25810089ccbc3d.pdf
    • https://cdn-cms.f-static.net/uploads/4496811/normal_605013818560c.pdf
    • https://cdn-cms.f-static.net/uploads/4408009/normal_60601ef470f52.pdf
    • https://fewabobur.weebly.com/uploads/1/3/4/7/134713859/fadamokituditul.pdf
    • https://bonivodetago.weebly.com/uploads/1/3/4/5/134517527/5575804.pdf
    • https://juxepikipoz.weebly.com/uploads/1/3/4/4/134486641/sulex.pdf
    • https://uploads.strikinglycdn.com/files/0445c8e8-e609-4adb-bddf-0a7ecbb434ae/fast_and_furious_8_songs_free_download_mp3.pdf
    • https://uploads.strikinglycdn.com/files/d1ebaf26-baf2-4d79-b2c6-fdd84be6bc7f/what_do_you_understand_by_social_construction_of_gender.pdf
    • http://negovijalulu.pbworks.com/w/file/fetch/144412662/54241097393.pdf
    • http://xoxafepapesu.pbworks.com/f/43343784848.pdf
    • http://tazijebep.pbworks.com/f/candy_crush_soda_mod_apk_unlimited_boosters.pdf
    • https://uploads.strikinglycdn.com/files/d3d59f0e-c1d9-4521-b65b-584358b1a467/jlab_wireless_earphone_review.pdf
    • https://uploads.strikinglycdn.com/files/0ba96043-4275-43e4-84c4-7d88042d227d/how_many_fifty_shades_of_grey_movies_are_there_going_to_be.pdf
    • https://uploads.strikinglycdn.com/files/461eedcf-f900-4b38-945c-19c856ac42b5/panelview_plus_1000_vs_panelview_plus_6.pdf
    • http://pezeliv.pbworks.com/f/38943789680.pdf

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