PDF malware analysis — malicious · 2b6abbbad9eb4f45

MALICIOUS

PDF

82.8 KB Created: 2021-08-23 14:17:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-17

MD5: 39c08d90be9901db0be7228669b0f92e SHA-1: a359189c41bb9805a74c1b859906674a585b1acb SHA-256: 2b6abbbad9eb4f452474fce301e29a56bce9ad3e30a124f93461a115cb80416b

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9991

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://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/ogj1nf76f6mipvu5ogf8ar65iq/kajebu.pdf In PDF document text
- http://wksx.top/images/userfiles/file/86277666875.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/258b9853242650934d0ab455f61f7460/zesevodaja.pdfIn PDF document text
- http://seasonsblinds.com/uploads/ckfinder/userfiles/files/susefi.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b530d42aae1---pozukowekiwaporiwoto.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/88402040120.pdfIn PDF document text
- http://stilistspb.online/public/files/uploads/files/83634582496.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16090a099a4e55---78553324275.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/ef5c464f3d827248c54abeb69d7f355e/15184029075.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f1eaca163b7---kunatitisudexoxolajugane.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/banukumatotuxetivazaf.pdfIn PDF document text
- http://hainescentreasia.com/images/file/45585120391.pdfIn PDF document text
- http://mishor-uvk.com/uploads/files/17293601910.pdfIn PDF document text
- https://saam.vn/images/content/file/70343912431.pdfIn PDF document text
- http://altinellerinsaat.net/UserFiles/file/tafowelowexujo.pdfIn PDF document text
- http://aklond.com/UploadFilesfile///2021052315492826.pdfIn PDF document text
- http://status-go.net/gfx/userfiles/files/3667024097.pdfIn PDF document text
- https://baptistfriends.org/media/77551304691.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aa69ce8309f---logedewafis.pdfIn PDF document text
- https://sjamsul-hidajat.id/ck_uploads/uploads/files/lazipolobesibobuzomoru.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160acab5be5b9d---meratilosa.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/wunotuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=kitten+cold+pawsPDF 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_off0000e31f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE31F	16236 bytes
SHA-256: `cb38fce2a12fd9f7cb18ab750159190a286e07ccdb4755a3919a91a4fbd56cdf`
`font_01_sfnt_off00010cd1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10CD1	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off000124e8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x124E8	10484 bytes
SHA-256: `6aa1ee47a8886ebf7c4222fa6d8a961cbca3f30c1b4760fa80b799befe7c40b2`

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