Malicious PDF — malware analysis report

Static analysis result for SHA-256 72714caefe5f37d4…

MALICIOUS

PDF

74.8 KB Created: 2021-06-30 00:07:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 927b2e7a00e56636874ec2e7562da281 SHA-1: 4f06e422f6037f996e570bd97adecbf36ffedf4f SHA-256: 72714caefe5f37d4be9e54f64baf28e2ce21c0534a9b3a3cbf68bf3dfcb126fd
156 Risk Score

Malware Insights

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

The PDF contains numerous links to external websites, many hosted on compromised CMS platforms, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. Although no scripts were explicitly extracted, the nature of the link farm and the detection results point towards a malicious document designed to exploit users.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9947

Heuristics 6

  • 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
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://medvor.ru/uplcv?utm_term=diplomacy+in+action PDF link annotation
    • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/fi3816tei6lkftm7sdddgsrus8/xawaverawag.pdfIn PDF document text
    • https://emmaushuis.org/pages/23722699429.pdfIn PDF document text
    • https://banghenails.com/upload/file/banipitim.pdfIn PDF document text
    • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9d581d2b8---fuxupetimuxewovaku.pdfIn PDF document text
    • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a52699f1718---pibubuvewi.pdfIn PDF document text
    • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/64c70fe191d57177876c04be176906ec/labifigak.pdfIn PDF document text
    • http://petraifevronii.ru/ckfinder/userfiles/files/26985804027.pdfIn PDF document text
    • http://szao-spb.ru/images/news/file/62133959310.pdfIn PDF document text
    • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/311f289a6290773f4d6ac03b026bc4c1/84776790739.pdfIn PDF document text
    • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/c00184fd7421b10e31ea9308d0997a15/25277646597.pdfIn PDF document text
    • https://denizlihorozu.com/resimler/files/47592936432.pdfIn PDF document text
    • https://cafemocion.com/userfiles/file/36995367532.pdfIn PDF document text
    • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16096ace255d70---fuzewola.pdfIn PDF document text
    • https://alkalacarservice.com/public_html/userfiles/file/60339571844.pdfIn PDF document text
    • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0670ce9040---66388882152.pdfIn PDF document text
    • http://kamerton.nl/clientfiles/19555360105.pdfIn PDF document text
    • http://alliance-ltd.com/userfiles/wofatibefilotozipo.pdfIn PDF document text
    • http://twxcd.com/img-aim/files/43010931472.pdfIn PDF document text
    • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5b8e03073---64371277936.pdfIn PDF document text
    • http://jjmcp.jp/userfiles/Image/file/xumuketuvovu.pdfIn PDF document text
    • http://abogadosaguilar.com/ckfinder/userfiles/files/54156365831.pdfIn PDF document text
    • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16097258c74485---nerowawotajesedafe.pdfIn PDF document text
    • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607f074c7e2ae---23925054415.pdfIn PDF document text
    • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/fft8vt56qab9p5b5s6u8m9uck5/45712107208.pdfIn PDF document text
    • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b2e7ca405---guxumisazebuvuwed.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c431.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC431 10248 bytes
SHA-256: 390210bd201f1b440d1207a5d042210e47a39e7f164aa99a90b052ab57d50dde
font_01_sfnt_off0000db34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB34 16524 bytes
SHA-256: 3e97d5350feb06c9680a7a6537a9d4763763ba3418afd2fe8f18615681bd8201
font_02_sfnt_off000105e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105E7 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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