PDF malware analysis — malicious · d3e8082d9e1f8e77

MALICIOUS

PDF

81.1 KB Created: 2021-09-12 01:59:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20

MD5: 820d64820157712e7b3cf3332374f763 SHA-1: 8f1fa21b40b7642ab0632cb9992fc8a25f04fdcb SHA-256: d3e8082d9e1f8e7714648b661d652ee639c61f0246fea904932f04decefb54ec

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9981

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://godsownproperties.com/userfiles/file/47413244426.pdf In PDF document text
- https://arnetbilgisayar.com/upload/ckfinder/files/45848894319.pdfIn PDF document text
- http://studiotecniconuti.it/userfiles/files/17194742943.pdfIn PDF document text
- https://twinslock.com/locktactyuma/userfiles/file/korijotiwegoxidanolape.pdfIn PDF document text
- https://apotekatia.ba/fajlovi/gamudaluzejefiv.pdfIn PDF document text
- http://travelcenterpuntos.com/campannas/file/loniwa.pdfIn PDF document text
- http://stowarzyszeniemalyksiaze.eu/img/upload/files/61512928518.pdfIn PDF document text
- http://trevelsi.ru/ckfinder/userfiles/files/42560981548.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302193e991a---xatateriwinisimadufe.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16133b5bf4f70e---37761804600.pdfIn PDF document text
- http://paulgraphics.paulsfashion.in/files/fonukon.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16139f80a20aa7---8545686532.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/41417a9bd15bb5690ed9c65c2289daaa/99285593652.pdfIn PDF document text
- http://phaptangpgvn.net/app/webroot/upload/files/51958381451.pdfIn PDF document text
- https://bloomland.com/sites/bloomland.com/files/sajikanetevor.pdfIn PDF document text
- http://atletika-pardubice.cz/files/file/robisajabenipumov.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/zufajafexoga.pdfIn PDF document text
- https://digitaldaya.com/imagenes/file/6159933159.pdfIn PDF document text
- http://voszveszprem.hu/_user/file/80233482105.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b53c74c825---82160337350.pdfIn PDF document text
- http://rayocazar.com/images/elfinder-1.1/files/file/wurijosedejeregijagudemon.pdfIn PDF document text
- http://sunway.me/ROOT_PATHuploads/file/070644175721.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=remote+power+off+apkPDF 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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000cc1a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCC1A	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000e42c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE42C	22380 bytes
SHA-256: `e205b9bfd7bc6e276584fa693b954f34bf8b4a6f3af079936e2fcb58e7e8af38`
`font_02_sfnt_off00011f33.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11F33	10332 bytes
SHA-256: `a42e26b317eaf51c1c6e84ee773e8c4aa57eabfbfb85e67b7b60bf30233d2119`

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