Malicious PDF — malware analysis report

Static analysis result for SHA-256 72b0d42973a6d4fc…

MALICIOUS

PDF

491.2 KB Created: 2022-03-06 03:35:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-28
MD5: e8bb98ffb8ffe77d55fb4645d41e0f6e SHA-1: f09394ecc210b8f6502edce9d55fce391dbdbc89 SHA-256: 72b0d42973a6d4fc12b23124111499410159e607b697bbccc1734dd4ad5f4f86
144 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4094

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://yoyep.co.za/XSRYdR1H?utm_term=aaa+how+to+drive+test+booklet+answers PDF link annotation
    • http://wohntraumgmbh.at/letara.pdfIn PDF document text
    • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1621dc8711918a---47126784514.pdfIn PDF document text
    • http://edmo-cars.nl/images/file/36913509240.pdfIn PDF document text
    • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16214df8063c7c---zixura.pdfIn PDF document text
    • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4cfe263c6c92595663af72f3e9398f4c/3732246121.pdfIn PDF document text
    • http://touristclub.in/userfiles/file/60517659085.pdfIn PDF document text
    • https://biaplan.hu/images/fck/files/89803274598.pdfIn PDF document text
    • http://cathyknightwaite.com/ckfinder/userfiles/files/99631608606.pdfIn PDF document text
    • https://www.meditech.cz/ckfinder/userfiles/files/vowamezolafutolojekon.pdfIn PDF document text
    • http://dison.cn/filespath/files/20220224040506.pdfIn PDF document text
    • http://apart1day.ru/file/bowoperevararatodopiroso.pdfIn PDF document text
    • http://gemmacapitalgroup.com/foto/file/29005929271.pdfIn PDF document text
    • https://taumed.kz/upload/2022/03files/220306050915965751onw5t.pdfIn PDF document text
    • https://soi.icami.mx/ckfinder/userfiles/files/58167706331.pdfIn PDF document text
    • http://www.bestofasco.cz/upload/files/sifobisofimozeluxo.pdfIn PDF document text
    • http://lavender-farm.ro/app/webroot/js/kcfinder/upload/files/88391783004.pdfIn PDF document text
    • https://1000fdep.talenzsoftware.fr/upload/files/82301835500.pdfIn PDF document text
    • http://jandebruijn.com/uploadimages/files/tojozexebini.pdfIn PDF document text
    • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16223171e7682f---vibunuzaz.pdfIn PDF document text
    • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/162019ec040dc0---siwiwirixagosemosotovuful.pdfIn PDF document text
    • http://promerilaclama.com.tr/panel/kcfinder/upload/files/21104926614.pdfIn PDF document text
    • http://tatishev.ru/admin/ckfinder/userfiles/files/vilituvu.pdfIn PDF document text
    • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16201e997e0f53---fakumilotiwejukefu.pdfIn PDF document text
    • http://school15-tyumen.ru/f/58994454944.pdfIn PDF document text
    • http://mirsistem.com/depo/sayfaresim/file/nuvesebebupu.pdfIn PDF document text
    • http://leton.pl/userfiles/file/10701719824.pdfIn PDF document text
    • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16202086e02c9a---30567199127.pdfIn PDF document text
    • https://defrokatilai.lt/images/files/34477815853.pdfIn PDF document text
    • https://latvanysport.hu/upload/files/gizivi.pdfIn PDF document text
    • http://study4student.com/cache/fck_files/file/69356891767.pdfIn PDF document text
    • https://companydemo.opusviewdev.com/app/webroot/js/image/files/16975818003.pdfIn PDF document text
    • http://sossurfshop.com/cliente/conteudos/files/68336364291.pdfIn PDF document text
    • http://dodogs.ru/sites/default/files/file/fakuwunasawibadizurejaba.pdfIn PDF document text
    • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/162061843a5cc1---38258841173.pdfIn PDF document text
    • http://consonniarredamenti.it/kcfinder/upload/files/74485430409.pdfIn PDF document text
    • http://giraf-tour.com/kcfinder/upload/files/51325431795.pdfIn PDF document text
    • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1620365d9a3e3e---60697340345.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_off00073968.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73968 19716 bytes
SHA-256: d7d134b4d385faacf5e48c9d99154598991d5fe7aa77af6c9e544561f3e63910
font_01_sfnt_off00076d22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76D22 10712 bytes
SHA-256: be2038b5462344ffe9929aee54c50aeda20af4aee89f6da5526d8069142afb5d
font_02_sfnt_off000785c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x785C6 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9

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