Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d890dc66767752d…

MALICIOUS

PDF

58.4 KB Created: 2021-05-17 06:34:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3329a2ce4c8798b4f119edb1e47f3928 SHA-1: 3871d3796d69a24dbaaddd0c1f434dd326291d5d SHA-256: 8d890dc66767752d50b3018ecfa75186d9af363106ae01378238da8b9a7752ae
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded URLs and the document's metadata suggest it is part of a phishing campaign, likely attempting to trick users into downloading further malicious content by posing as a form for amending a birth certificate. No scripts were extracted, limiting the analysis of specific execution behaviors.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8792

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 http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/96226329214.pdf
    • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810227ad615---pusujitezoburaretelatisoz.pdf
    • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16076fcc3182e9---91787127229.pdf
    • https://cgeminfos.ma/upload/file/44031540170.pdf
    • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/2329c8dd1a8cf8bcd9c900b92c76eaa4/kirozivoxenazavevafuj.pdf
    • http://nordicaluminium.ru/userfiles/file/76214064773.pdf
    • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/44d17223d66117762f62521cea440454/17472764579.pdf
    • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/3baf5c4741359505fe93c815f4935b33/dosumakekenepaxesojak.pdf
    • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/914d366784521ece2aed4648d82eb1bd/16073589534.pdf
    • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096d48b053b7---wexal.pdf
    • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/e681ac01f3c58b9c493589bce6956427/fimigutol.pdf
    • https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/68246ee28804fcd64795a1736c2f8da8/nuxosexez.pdf
    • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/9ushi76et3m2oanq0q22a9ffq2/bufanebafidirewu.pdf
    • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160710e4d4c14a---tepewoxikemipojete.pdf
    • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/f58e0ca316bb1905db8651cbb32737ad/79218656860.pdf
    • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075b0cb41056---dinasilojikudabavegoro.pdf
    • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/a2c20fd20c3a161cd2c3a981ab8c3e85/26721348901.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=form+to+amend+birth+certificate+texas
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000db4e.bin
3a73c019a53b4878da3bb234aab02f694aa62f66a525d39cfd71f49aaccc9cb1
pdf-font-stream PDF embedded font (sfnt) at offset 0xDB4E 5392 bytes