Malicious PDF — malware analysis report

Static analysis result for SHA-256 a006cc0df6aa089d…

MALICIOUS

PDF

79.0 KB Created: 2021-07-03 11:47:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: ae061d6658706ba254fd741b87cf4e34 SHA-1: eb3f9055cce71c6ec26d56537ee9cd1a79b15162 SHA-256: a006cc0df6aa089d29beb240e9957ddd04326b0f96800b073fe93e1539b50325
156 Risk Score

Malware Insights

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

The PDF file contains a link farm directing to multiple URLs hosted on compromised WordPress sites, identified by heuristics like PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM. ClamAV also detected it as Pdf.Phishing.Trojan. The presence of these links suggests the document is designed to lure users to malicious websites, potentially for phishing attacks or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9940

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c48675aa445---93683989425.pdf In PDF document text
    • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608261ed63a3a---71013192481.pdfIn PDF document text
    • http://theleadershipworks.com/PO2/UPFILE/userfiles/files/77559122794.pdfIn PDF document text
    • http://talk200.com/admin/admin/uploadfiles/file/49689259027.pdfIn PDF document text
    • http://loveperfectionschool.com/upload/file/varowulojikenomiv.pdfIn PDF document text
    • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1cce064c7---9587740221.pdfIn PDF document text
    • https://grupahatak.pl/admin/_fck_files/file/miwuniwomox.pdfIn PDF document text
    • http://abeess.com/userfiles/file/55200822969.pdfIn PDF document text
    • http://cogersquest.com/clients/f/f6/f6194b381802d71b6842d6160e8859b1/File/vazivijakiforudo.pdfIn PDF document text
    • http://www.aportecnica.com/imagenes/editor/file/22802149333.pdfIn PDF document text
    • http://cheumst.com/upload/fckeditor/file/gomegeligujexuzobudune.pdfIn PDF document text
    • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3b34cea03e---pemagoda.pdfIn PDF document text
    • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/ar8b13v7dp8a01golj9ae2ebjs/93837914249.pdfIn PDF document text
    • https://mollis.rs//files/77275055365.pdfIn PDF document text
    • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/fb7ac152b60f115543a3a954a53ce4bf/29113794944.pdfIn PDF document text
    • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086ffcac4ae9---46946282796.pdfIn PDF document text
    • http://hurtglass.pl/upload/file/piduxevawurepitebofu.pdfIn PDF document text
    • https://ferado.vn/userfiles/file/pumosibizawosudinavelulof.pdfIn PDF document text
    • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/86126396d4ff8843165dcc82774a5595/bugisado.pdfIn PDF document text
    • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/70orhhp2ch8eu4s24sfrmhe417/53926747240.pdfIn PDF document text
    • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/7b831fac1308fb4261d94e4671e51c96/53885863436.pdfIn PDF document text
    • http://michellesmithscott.com/clients/36670/File/42600886441.pdfIn PDF document text
    • http://alexlunacoach.com/img/editor/file/27862726872.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=edna%27s+donuts+by+georgePDF 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c412.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC412 2256 bytes
SHA-256: e4609cc0a92fbe7307e465f3daa6f1dcd69018512a616bed43b4b465150e9aa4
font_01_sfnt_off0000ce03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE03 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000e615.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE615 17864 bytes
SHA-256: 80b77deaf25ac866b460f2eda65c478258f29e763579bc152015c93b36f67b12
font_03_sfnt_off00011469.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11469 10656 bytes
SHA-256: 80625f38ab8f98c829fc74a359b0aa3dd425f19ccc9ab75aedf2329483976139

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