Malicious PDF — malware analysis report

Static analysis result for SHA-256 38dd1caaca60d216…

MALICIOUS

PDF

60.6 KB Created: 2021-09-04 00:14:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 075afa8723622ceecb8a56361c9d0e4f SHA-1: 1cd269bc5f78e90fd4a6e9866a7f22d9da826703 SHA-256: 38dd1caaca60d2167c133a021dac0c0544c1e61837cf6b8d0306e9c5140cee3b
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a common phishing lure, likely intended to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6780

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://nomylo.ru/uplcv?utm_term=total+quality+management+pdf+bba PDF link annotation
    • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a63fae62e---45389084120.pdfIn PDF document text
    • https://gregoryshow.ru/files/file/zaxuwakutanewurit.pdfIn PDF document text
    • http://aromata.ru/upload/files/96574712422.pdfIn PDF document text
    • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609736b6a4c42---3728519868.pdfIn PDF document text
    • http://morethancars.nl/uploads/edytor/file/35522156452.pdfIn PDF document text
    • http://terezmisszio.eu/files/file/lusulesevilukosufebeti.pdfIn PDF document text
    • https://oriental-kitchens.com/userfiles/files/20444964954.pdfIn PDF document text
    • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/c654vdh9a4ld80li41s29o4eb3/badovik.pdfIn PDF document text
    • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ee1d3abe274---fobibefarozopeled.pdfIn PDF document text
    • http://djarkitek.com/temp/vinney/HTML/userfiles/file/majufuxu.pdfIn PDF document text
    • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160b99c092d821---11518618323.pdfIn PDF document text
    • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/919a1ed3f44b25ecfc2f9f625e47e57b/30558561728.pdfIn PDF document text
    • http://bettaletroom.com/file_media/file_image/file/81372961598.pdfIn PDF document text
    • http://www.oomewatersport.nl/upload/files/fewagogetulew.pdfIn PDF document text
    • http://goref.ru/files/file/vumibiwonarurov.pdfIn PDF document text
    • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/026657fc34544472558183e1a6da8738/2522498599.pdfIn PDF document text
    • https://sayurhijau.com/contents//files/porofotuj.pdfIn PDF document text
    • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c838463749---12840463464.pdfIn PDF document text
    • http://bpsstudio.hu/uploads/24230603168.pdfIn PDF document text
    • http://pensjonatagat.pl/userfiles/file/21957326438.pdfIn PDF document text
    • https://indikino.com/ckfinder/userfiles/files/40271645500.pdfIn PDF document text
    • http://paynechapelduquesne.org/clients/9/9b/9b910c66cef3ae2d1bb1fd5804160a19/File/21008420848.pdfIn PDF document text
    • http://kasystemofkarate.com/clients/861259/File/87217000948.pdfIn PDF document text
    • https://europacreativaeuskadi.eu/files/galeria/files/dejovobojijij.pdfIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ddaf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDAF 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

Open this report in the interactive analyzer, or submit your own file for analysis.