Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee8e848e7a0909f4…

MALICIOUS

PDF

82.7 KB Created: 2021-06-26 04:03:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 118d057eec3c0bdf92b2fdc6286236d0 SHA-1: 6d4862a0b2cfa23cc4d44027cd923873b640f810 SHA-256: ee8e848e7a0909f43c70ca524bc25c668efe615210381f9fa243726fbf7e949e
156 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many pointing to compromised WordPress sites, and others to disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple external URIs and link farm heuristics indicates an attempt to lead users to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

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://inwebjor.ru/uplcv?utm_term=can+you+eat+eggplant+raw PDF link annotation
    • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b59117f2369---nulagu.pdfIn PDF document text
    • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607055434a00e---rireniforokawemisizadubu.pdfIn PDF document text
    • http://yachtandgulet.com/userfiles/file/58123876407.pdfIn PDF document text
    • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/vshtf6f96attlh96drdgal3imv/fotomerorirexubapes.pdfIn PDF document text
    • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/qsj8ks8gjgr68sjds2cknh5uk2/vupuribukodunul.pdfIn PDF document text
    • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/0a9fc63063c7dbbdaf2d1409b81f047b/nixato.pdfIn PDF document text
    • http://mdc.ir/ckfinder/userfiles/files/94706542891.pdfIn PDF document text
    • http://learnazia.com/fck/imagesfile/3687396404.pdfIn PDF document text
    • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4a322ed18---39116088463.pdfIn PDF document text
    • https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/80b1826921c02f9c3d02ca9f51db2a9b/funobakenu.pdfIn PDF document text
    • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/2dbe11b6a9ddc83c854debaa0ffdaeb6/72388879351.pdfIn PDF document text
    • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ae534a82d---takirakevigosupo.pdfIn PDF document text
    • http://bendhigh1970.com/clients/1/10/106e6567aa8bd3cecf4080670b11bd10/File/buvujenujoxukusopofono.pdfIn PDF document text
    • https://bustotoronto.com/userfiles/file/famifizefametuvuli.pdfIn PDF document text
    • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16076031fb692e---46092239646.pdfIn PDF document text
    • https://pellevah.com/upload/files/32943301541.pdfIn PDF document text
    • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/85h0aagqmclkltc2mb0chmi02f/11745820648.pdfIn PDF document text
    • http://ztkammer.at/uploads/file/wujasunijetipojujada.pdfIn PDF document text
    • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16078edfcc4a3a---kufaj.pdfIn PDF document text
    • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608036dee07f0---95971529270.pdfIn PDF document text
    • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16074c603ecdee---74242378126.pdfIn PDF document text
    • http://finproekt-msk.ru/userfiles/file/kalinejominovobubovikezed.pdfIn PDF document text
    • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/td4jmj0t1vetb4jeos46caeure/64366332372.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_off0000e086.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE086 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f898.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF898 17508 bytes
SHA-256: 8d86d7209cfaa76df124bb1b987f422f1a13be089771f6c08ff665fab8cd6df1
font_02_sfnt_off000126af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x126AF 10496 bytes
SHA-256: 094621401c8589b2a196f35179e36fea76e79e39d525ba821e16a9970955dddc

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