Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e0cef5c26f7d272…

MALICIOUS

PDF

78.8 KB Created: 2021-06-27 23:54:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 95cfeedb51cc796ee2093752d2131d8c SHA-1: d351910e05b0db1fb221debe2d4be28393405325 SHA-256: 6e0cef5c26f7d272f975a8bedf708aee4ba974c5c924d07ddd20f0b8716d5212
176 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of a link farm pointing to compromised WordPress uploads and disposable hosting suggests a phishing or SEO manipulation attempt. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9949

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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://aawyx.com/sites/default/imageuser/file/minijimonudixozebamapewa.pdf In PDF document text
    • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cda768978d---tosalujorijulaxakasuful.pdfIn PDF document text
    • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/34c7a3e2b2086ae127acef6c894266fd/jixufuxunumiperawob.pdfIn PDF document text
    • http://patrick-jardinage.fr/ckfinder/userfiles/files/wonazukatorepozuvamexidov.pdfIn PDF document text
    • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c93e662d16d---rawab.pdfIn PDF document text
    • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160882821b5640---kiwik.pdfIn PDF document text
    • http://sam-global.ch/files/file/zodawave.pdfIn PDF document text
    • http://devison-matras.com/upload/file/77760964465.pdfIn PDF document text
    • http://gwhs79.com/clients/867100/File/41840204863.pdfIn PDF document text
    • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609a20df38f70---bokidowajalisobolalazupis.pdfIn PDF document text
    • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/r3734eccf9r84gqotvs9e724rt/18989976311.pdfIn PDF document text
    • https://angkoronetour.com/userfiles/file/15369838249.pdfIn PDF document text
    • https://finatwork.com/userfiles/file/xibexugetenuxobar.pdfIn PDF document text
    • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2e69d6cc8---5170846722.pdfIn PDF document text
    • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607190aa7b3d9---66420955080.pdfIn PDF document text
    • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c83cca450---60638065455.pdfIn PDF document text
    • http://santeh.md/img/files/patozim.pdfIn PDF document text
    • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a78ccc33c---30168594950.pdfIn PDF document text
    • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ebc40c80c---13154922289.pdfIn PDF document text
    • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/269bb2d081ab99a91f668b9617cbbf71/nuxanirijelejokimulido.pdfIn PDF document text
    • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a25f5de0147---29865487335.pdfIn PDF document text
    • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/29016c0662f7b2d08c9b36e43cbbf1ea/vefiluvavitunezimumofuz.pdfIn PDF document text
    • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/do64p0vuekegot8at8afi1s2qo/jopebisesetobutom.pdfIn PDF document text
    • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/s8igss1aa1vv2fhbe3eidigm66/30369722265.pdfIn PDF document text
    • https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/v9ptfhkifsdonau0o739rqr8im/98963402877.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=how+to+know+a+function+is+one+to+onePDF 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_off0000ce29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE29 18832 bytes
SHA-256: 0609e9d88c3ff228940a9f6fc1857a3d0a698ecb41edc7d304ff029775cf0a0b
font_01_sfnt_off0000fd98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD98 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000115af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115AF 10452 bytes
SHA-256: f1275aac3b35aca58217eb0bbfe3fef69cc9057a2add966fce34f0699ff02387

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