Malicious PDF — malware analysis report

Static analysis result for SHA-256 747e0abeed5f55a0…

MALICIOUS

PDF

74.9 KB Created: 2021-06-27 00:06:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-22
MD5: a3bb907add6a10d49fa3367beecb718d SHA-1: 0e895312839764f5c0ed8f8523a3fad9e2391b6c SHA-256: 747e0abeed5f55a01b10fad5baeef0e59c9276607fedd4630c5eeb2018ba3d7e
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is identified as a PDF containing a link farm pointing to compromised CMS uploads and disposable hosting. The ClamAV detection 'Pdf.Phishing.Trojan' strongly suggests a phishing or malware distribution intent. The embedded URLs are designed to redirect users to potentially malicious sites, likely as part of a phishing campaign or to download further malicious content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4750

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084adcd47fae---50399134417.pdf In PDF document text
    • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16073b54b6b1a3---96259359641.pdfIn PDF document text
    • http://55pluscommunityspecialist.com/userfiles/files/tivujivuvefomon.pdfIn PDF document text
    • https://nabsangram.com/userfiles/file/7815444977.pdfIn PDF document text
    • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/efc71c315b6f5ced46c1a7241ea7ac09/10486810426.pdfIn PDF document text
    • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d0b469e39---87488586865.pdfIn PDF document text
    • http://goodslib.com/userfiles/files/jisusibu.pdfIn PDF document text
    • http://korvet-sp.ru/userfiles/file/81995658526.pdfIn PDF document text
    • http://iccj.jp/images/uploads/fckeditor/file/supuvetujivozajupugopibo.pdfIn PDF document text
    • http://ackerviewguesthouse.com/userfiles/file/33083564041.pdfIn PDF document text
    • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16093fbb8317ab---piginosojurelexewazabugu.pdfIn PDF document text
    • http://akcjonariusz.com/UserFiles/file/59799245409.pdfIn PDF document text
    • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071a8d4a189a---89948600102.pdfIn PDF document text
    • http://jamesirvinewedding.com/clients/f/f9/f947a18657f5d77a8fcd192ffd4ccf25/File/tolitususasigerofakupa.pdfIn PDF document text
    • http://cambridgekapurthala.com/damana/userfiles/file/nuditibegotel.pdfIn PDF document text
    • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9279e18bdf---xuluzurek.pdfIn PDF document text
    • http://capmar.eu/userfiles/file/lewaduguwupikozi.pdfIn PDF document text
    • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/j3sifko4fp5c9mahi1m8i2bkg7/sibavojezunewotisa.pdfIn PDF document text
    • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/e8fa0nrhjqnk0vosnkqisjbscb/64585977652.pdfIn PDF document text
    • https://bikeid.net/ckfinder/userfiles/files/giwijimazox.pdfIn PDF document text
    • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6916b59907---33029108706.pdfIn PDF document text
    • https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/593cc99a64fc9e2f2e33a291676292a0/litevowetowita.pdfIn PDF document text
    • http://goodtraefarm.com/ckupload/files/gurogakafa.pdfIn PDF document text
    • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c44db214d---9042531333.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+start+counterfeit+cash+gtaPDF link annotation
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f6ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6AC 10744 bytes
SHA-256: 1937311c0b799573f8fb1d60d7f61191c0ebd22991d13ccb3b884d2685b2789b
font_01_sfnt_off00010f69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F69 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1