Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b67aa12a14b4f86…

MALICIOUS

PDF

82.3 KB Created: 2021-07-02 22:07:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17
MD5: 9477e1f7ab39c4d4fb5ee6315724ddfc SHA-1: 8109aa8ab0fec11cfa20c9f48e588b3f1f2fd86f SHA-256: 2b67aa12a14b4f86bf1e4168ce25a65ccd0f00ebdac6e785f21ac601ac51c585
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

Heuristics 7

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://archi1919.com/smlclub-files/file/fokuwo.pdf In PDF document text
    • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/0c73836913af7c43327c58091e585358/vukogolibal.pdfIn PDF document text
    • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/aa3bbkqdrjbk8oun2kq4qc47b3/9091716778.pdfIn PDF document text
    • http://learnazia.com/fck/imagesfile/topoburu.pdfIn PDF document text
    • http://abington1964.com/clients/865474/File/sogemet.pdfIn PDF document text
    • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/caf47eda152a48f71b0c0222b250ce6c/46464314459.pdfIn PDF document text
    • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/eb6731db98762e0c0631f9adb329261d/35320695254.pdfIn PDF document text
    • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/d3bebd31b73f0c8cfa9fe5b115763267/74497799872.pdfIn PDF document text
    • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607edae28861f---julinugotuk.pdfIn PDF document text
    • http://kondicionery-lubertsy.ru/upload_picture/file/vomogesovelupotasonotuz.pdfIn PDF document text
    • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c09d9b4132---22731840801.pdfIn PDF document text
    • http://slp72.com/clients/7/7b/7b902bee17765b19ebdde6030f24742d/File/21534527145.pdfIn PDF document text
    • http://oceanstatevolleyball.org/clients/879495/File/16248591076.pdfIn PDF document text
    • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d0e6304a8---10439034487.pdfIn PDF document text
    • https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/63180081198.pdfIn PDF document text
    • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759bd79cc30---gigegugajenux.pdfIn PDF document text
    • http://aimic.com/userfiles/file/vosoximujoxomurasepanupa.pdfIn PDF document text
    • https://aftaplan.com/works/peepsparty/html/upload_files/file/12959577126.pdfIn PDF document text
    • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/904c6415af0ee01b901e624d5b9dfccc/xonosugufo.pdfIn PDF document text
    • https://silga.ca/userfiles/file/wivolinexomedopasa.pdfIn PDF document text
    • http://gd-weimi.com/upfolder/e/files/20210624184951.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=can+i+upload+pdf+files+to+kindlePDF 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_off0000dc31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC31 10616 bytes
SHA-256: a692bfbc91086c5d9e813323069a81b19d6216b9dba2c8c6d8d1e5a67773996e
font_01_sfnt_off0000f4a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4A0 18064 bytes
SHA-256: 7f24d61e838b3cb3193db37d271ed51f683f50bde91cce5f73b965e3312432b9
font_02_sfnt_off0001241f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1241F 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1