Malicious PDF — malware analysis report

Static analysis result for SHA-256 e029e6efeb81e650…

MALICIOUS

PDF

90.5 KB Created: 2021-06-26 04:50:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 8cc125ac4cb0195153d367c938d92d81 SHA-1: 44f8a95ee914efdff2bd266d54fb7ab189cf3331 SHA-256: e029e6efeb81e650b46a5c93e87c81e1da809275957692b06096f9f79bd9afca
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains numerous links, many of which point to websites hosted on compromised Content Management Systems (CMS) or disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or to serve further malicious content. The embedded links are the primary mechanism for directing users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9935

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 http://luingpyrex.cz/foto/Image/file/polositod.pdf In PDF document text
    • http://kingcraftviet.com/uploads/ckfinder/files/38788482752.pdfIn PDF document text
    • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d5fcd0146---25118098416.pdfIn PDF document text
    • http://amandamaitland.com/images/file/76161811759.pdfIn PDF document text
    • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/08a21449501cd77f1aa21e9583778c4e/86783696926.pdfIn PDF document text
    • https://secolink.sk/userfiles/file/59679158095.pdfIn PDF document text
    • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/a8lb2n06mpf6saji29tv0t2te4/lafefepivovom.pdfIn PDF document text
    • http://kadernictvo-svetlana.sk/editor_uploads/system/files/rasenodikifiziwifowebu.pdfIn PDF document text
    • http://remont-etalon.ru/upload/files/jodupipanagopewugesan.pdfIn PDF document text
    • http://www.hgbehringer.de/img/files/files/javinoxixozofewul.pdfIn PDF document text
    • https://gangnampools.com/contents//files/75818577210.pdfIn PDF document text
    • http://thuduchouse.vn/pics/file/mapumepuwanex.pdfIn PDF document text
    • http://paliukenas.lt/i/File/xapujisigokar.pdfIn PDF document text
    • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/n9cq49044gvcnl7j4l71ephvt5/25585009747.pdfIn PDF document text
    • http://www.knickmeier.net/images/pageimg/file/80885518550.pdfIn PDF document text
    • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/fc32fcb9b5354604da489b5a37e17fce/13233451574.pdfIn PDF document text
    • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/7b1d064eeffe8ad0fcb477f611977e45/63060169730.pdfIn PDF document text
    • http://bet-balance.com/userfiles/file/53295824174.pdfIn PDF document text
    • http://thingsantiquesla.com/userfiles/files/57257459391.pdfIn PDF document text
    • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/ed07e946043352ebe8aec30363846bf9/lujetigumag.pdfIn PDF document text
    • http://bizbecho.com/pa/trainstation/uploads/image/file/88230515883.pdfIn PDF document text
    • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608223ae2131b---xibenaxinebofolixo.pdfIn PDF document text
    • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160716b6eea32b---83396387644.pdfIn PDF document text
    • https://biothiennam.com/media/ftp/file/24542931328.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=giving+up+red+meatPDF link annotation
    • 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_off0000ff4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF4C 17456 bytes
SHA-256: b14ab6ede5e2e2b7ae42629597cb40cc7bc4a70c41cc28940d31d8890920878e
font_01_sfnt_off00012cbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12CBF 10604 bytes
SHA-256: 23a77f58de5e7ec55c7143c16d7bb2a337327d5e7cb085024e67563e36fe8bcf
font_02_sfnt_off000144cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x144CD 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1