Malicious PDF — malware analysis report

Static analysis result for SHA-256 563265d640bd5cc7…

MALICIOUS

PDF

64.0 KB Created: 2021-09-01 16:05:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-14
MD5: e35dd3e990222ecf9dbce06d7649065f SHA-1: 6ea03bd34105775b06d86b14b2927bf5c40658e7 SHA-256: 563265d640bd5cc77e966bebfc4f3102f9e8e026ad2259623631c2a488559dda
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable domains and are structured as link farms, suggesting an attempt to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a malicious intent to exploit users through deceptive links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7920

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
  • 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 http://babamoleskine.com/files/file/38266125272.pdf In PDF document text
    • https://quimicasorocolor.com.ve/ckfinder/userfiles/files/15154693703.pdfIn PDF document text
    • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ae156ce88bb---mijonoviw.pdfIn PDF document text
    • http://brilliantsolarpaneling.com/userfiles/file/mesulamabebetadusite.pdfIn PDF document text
    • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609c775e87a42---13927847728.pdfIn PDF document text
    • http://apluskleaning.com/admin/images/file/nejok.pdfIn PDF document text
    • http://cutskytools.com/d/files/penupo.pdfIn PDF document text
    • http://jcbcharpentebois.com/ressource/site-image/files/zevimuvizolutovide.pdfIn PDF document text
    • http://daoltrading.com/userData/board/file/sakumufofex.pdfIn PDF document text
    • http://dichvugiayphep.net/hinhanh_fckeditor/file/65653294936.pdfIn PDF document text
    • http://robertoantoniz.com/resources/original/file/80450054867.pdfIn PDF document text
    • http://cafehinglung.com/uploads/files/dorozunidanidedofax.pdfIn PDF document text
    • http://alpha-th.com/userfiles/file/54144316519.pdfIn PDF document text
    • https://kawanmto.info/contents/files/duxup.pdfIn PDF document text
    • http://pahsclassof2005.com/clients/d/d6/d61c4c031b0f3af13d3e88110ef3a3e1/File/kijurutet.pdfIn PDF document text
    • http://frangarcia.eu/upload/file/19222785950.pdfIn PDF document text
    • https://parlagame.com/calisma2/files/uploads/37799248474.pdfIn PDF document text
    • http://remont-m.com/userfiles/file/pazirinugeganes.pdfIn PDF document text
    • https://dianthusindustrial.com/resimler/files/kajuf.pdfIn PDF document text
    • https://autoandtruckrepair.net/nbloom/fckuploads/file/54034972743.pdfIn PDF document text
    • https://salvamontbihor.ro/app/webroot/files/userfiles/files/79788792700.pdfIn PDF document text
    • http://mediaworld.pro/ckfinder/userfiles/files/69298566839.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=imperial+weight+measurementsPDF link annotation
    • 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_off0000d123.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD123 17304 bytes
SHA-256: 891b1bf8bd730235b402233642cb296190c1f2f304b7813588b73bd6a6cb4da9

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