Malicious PDF — malware analysis report

Static analysis result for SHA-256 01c96b946ab43cd0…

MALICIOUS

PDF

96.5 KB Created: 2021-05-31 08:21:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 14da8bc11c48400b6e8f4e9e02c3c9b7 SHA-1: ca130ea573542932cb67e1c7b8bf045ff6f79505 SHA-256: 01c96b946ab43cd0246b2a2f2fe6873d1c51cc5e5efae2a2477f4b8eae58f776
154 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8593

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/58c14e3e83a58689ecf39ff84ce759e4/75637725103.pdf
    • https://addsfly.com/userfiles/file/popodopitumiporujopadog.pdf
    • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a81604609f0---88493000319.pdf
    • https://aartipalette.com/userfiles/file/walis.pdf
    • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086169ea3ce4---zerokofamepawomekewitovi.pdf
    • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/65529055e9140c04dc84ab3fc2a8ca8b/32571261366.pdf
    • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd68329177---mamalela.pdf
    • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160aa1ad009cae---kunolopujuvamuzevukanuwi.pdf
    • https://seerupit.dk/assens/file/76249168422.pdf
    • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/3k2qtcup8fcld14d8nrvglj3pc/71063472859.pdf
    • http://accomplishtheimpossible.com/userfiles_ati/file/54415153076.pdf
    • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca7606c7ad---95635513394.pdf
    • http://tafgambiatours.com/userfiles/file/92278038281.pdf
    • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/028a075b674ac066fdbcb173f81c0c9d/kosadomuzawemo.pdf
    • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/jgrndcj62btl1ai1f2mkllk6sh/77329260509.pdf
    • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160b2439885198---zivazeb.pdf
    • https://bawwabatrizq.com/userfiles/file/79253386274.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=%25D8%25A7%25D8%25AD%25D8%25AF%25D8%25AB+%25D8%25A7%25D8%25B5%25D8%25AF%25D8%25A7%25D8%25B1+%25D9%2585%25D8%25A7%25D9%258A%25D9%2586+%25D9%2583%25D8%25B1%25D8%25A7%25D9%2581%25D8%25AA
    • http://dejavu.sourceforge.net
    • http://scripts.sil.org/OFL
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_009_off00015526.bin
2578c334cc93b4bc508670b4a40088630757d2942429acc023c4b1036496e0d4		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x15526 30004 bytes
font_00_sfnt_off00010b6e.bin
eeb5e31d71f00cead1fc940f0cd48c64d31cc2a9b3bda03c141aa0d4294f0e86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10B6E 4068 bytes
font_01_sfnt_off0001194b.bin
7781781cd5246146ba3342b30cef7e7de88ccc2f50241bc609b74b8895cde2e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1194B 9616 bytes
font_02_sfnt_off00013a59.bin
3caa222271ae0d2547b7c42ddeab313ee99a5749217af85eb32ca755fb77a3c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13A59 17656 bytes

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