Malicious PDF — malware analysis report

Static analysis result for SHA-256 e060717994d6db94…

MALICIOUS

PDF

130.0 KB Created: 2021-07-02 09:01:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-15
MD5: 37935388ede9d4cacad9f025b07d0680 SHA-1: 6ab3535f979be1d05616bafb28792cf7c8c92d3c SHA-256: e060717994d6db9482609976812a6da04087ecc30adfd90c6b81b800c85bf1fd
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a link farm with numerous URLs pointing to compromised CMS upload directories, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. The file's structure and embedded links are consistent with a malicious document designed to lure users to external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9421

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://ahkjt.com/upfile/file/1579515446.pdf In PDF document text
    • https://plentis.eu/ckfinder/userfiles/files/posewesoluwezixumiw.pdfIn PDF document text
    • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/1667r2fl8b7ihkbqthbn8nq7q0/94813437527.pdfIn PDF document text
    • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d4dc4296d---laxawegeduvukepibune.pdfIn PDF document text
    • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/kug7ms0hvvbv8cr3jhgl4gjvb5/58817501175.pdfIn PDF document text
    • http://isagenixmakessense.com/ckfinder/userfiles/files/zokudogivoz.pdfIn PDF document text
    • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4a37a89bbc---56564430070.pdfIn PDF document text
    • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff09b31ce8---85060947132.pdfIn PDF document text
    • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/1i7ps37k5vvgjsafdahmbr5tq1/85734899164.pdfIn PDF document text
    • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073320f89563---bozobuxuvulare.pdfIn PDF document text
    • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160714b60f27bc---80856440273.pdfIn PDF document text
    • http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/78946678739.pdfIn PDF document text
    • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609f71aa21a33---tufak.pdfIn PDF document text
    • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/af6a4e7aaeb4b8db3d3d15ebdde01731/84827477446.pdfIn PDF document text
    • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0dd99cd438---14814438405.pdfIn PDF document text
    • http://talleresjpg.es/img/file/vikapujibub.pdfIn PDF document text
    • http://poorclarescork.ie/images/43166082541.pdfIn PDF document text
    • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/9da77ioof0lc42rfdml44b59jm/70642304859.pdfIn PDF document text
    • http://duoctruongxuan.vn/userfiles/image/file/28717241865.pdfIn PDF document text
    • https://hoakhanh.vn/uploads/image/files/gikobasojo.pdfIn PDF document text
    • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095aab674a00---96856906427.pdfIn PDF document text
    • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/d77170787fefe8392237d4ec21c6daf1/bejogamubijunoxepabida.pdfIn PDF document text
    • http://1970fchs50thclassreunion.com/clients/1/19/19770213778af891f1b13fa25f964f50/File/74808748683.pdfIn PDF document text
    • https://signika.pl/Upload/file/nofafanidilolotetodixina.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=and+dare+i+sayPDF 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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off0001b26f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1B26F 26920 bytes
SHA-256: 1b8d9246dad74b4c1322ad9b8a7bb6bf095a9f96d9b7017d753f0ff9d680a0e3
font_00_sfnt_off0000ee4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE4C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0001065a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1065A 45764 bytes
SHA-256: 0c4997eb5a973e492ffbe5da8360d1c45da21da2a8629a9873699a1cee78580b
font_02_sfnt_off00017f26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17F26 24032 bytes
SHA-256: abff4d26b1d50877492a727e3ab4fa880a3c63e3867879ebce9160133e544c58
font_04_sfnt_off0001e38b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1E38B 10072 bytes
SHA-256: c8008e5937d2c9fa128497c15cd4888a0fa4865ae1e0cb2be54f6a9914ab2b9f

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