Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a0c7dcc79d1fb5d…

MALICIOUS

PDF

53.1 KB Created: 2021-06-02 14:37:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2a5676439a5e78467be43d09aeacff58 SHA-1: a0e1e159750fe160c837726610ed87807c934375 SHA-256: 4a0c7dcc79d1fb5db97fb5685135da98dceaf754dd4fa119e6f6c3027de36a64
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and an ML classifier. It employs a common phishing tactic by presenting itself as an image-only document with a clickable action, typical of a screenshot lure. The embedded URL, https://catamma.ru/pbw?utm_term=baldi%2527s+basics+classic+mod+menu+download+android, is the primary indicator of malicious intent, likely serving as a gateway to a phishing page or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6909

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 53 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://catamma.ru/pbw?utm_term=baldi%2527s+basics+classic+mod+menu+download+android
    • https://cdn-cms.f-static.net/uploads/4478664/normal_5fe6a275ea847.pdf
    • https://static.s123-cdn-static.com/uploads/4365563/normal_5ff09eb7de7f9.pdf
    • https://cdn-cms.f-static.net/uploads/4476007/normal_602ff3c8d9592.pdf
    • https://cdn-cms.f-static.net/uploads/4386366/normal_5fda00afbe0b1.pdf
    • https://cdn-cms.f-static.net/uploads/4427821/normal_60272e7777dae.pdf
    • https://cdn-cms.f-static.net/uploads/4427273/normal_6017563f5b108.pdf
    • https://cdn-cms.f-static.net/uploads/4476273/normal_5fd355ab22f8c.pdf
    • https://cdn-cms.f-static.net/uploads/4489733/normal_600dcda73c1ea.pdf
    • https://static.s123-cdn-static.com/uploads/4413454/normal_5fed27bbd5f68.pdf
    • https://static.s123-cdn-static-d.com/uploads/4487007/normal_60b392a54f05d.pdf
    • https://cdn-cms.f-static.net/uploads/4472488/normal_5fd9045230dea.pdf
    • https://cdn-cms.f-static.net/uploads/4479902/normal_601766f3962cb.pdf
    • https://cdn-cms.f-static.net/uploads/4368494/normal_6012344eda8d6.pdf
    • http://werinenimuta.pbworks.com/f/63583301335.pdf
    • https://uploads.strikinglycdn.com/files/367e48cc-789f-4e89-85fa-a9f8c809ef3d/why_i_am_not_a_christian_anymore.pdf
    • https://uploads.strikinglycdn.com/files/2058e283-ee96-41b9-8fb1-99d8fe0a776a/dreammix_tv_world_fighters_english_patch.pdf
    • https://uploads.strikinglycdn.com/files/e1843b81-8fe0-4b3b-9cf1-dd78b5a18274/18402804285.pdf
    • http://gediripu.pbworks.com/f/bixedakaxorodebobuxut.pdf
    • https://uploads.strikinglycdn.com/files/ee02f1c4-5506-40e4-8567-36a8ede580a4/icd_10_code_for_severe_sepsis_with_lactic_acidosis.pdf

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