PDF malware analysis — malicious · af209352c35747d1

MALICIOUS

PDF

90.1 KB Created: 2021-09-01 10:34:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21

MD5: abe8f0cfe8a7989beb6dfce0bb8e98a4 SHA-1: 4d09d5ae7fa2109ae3103e82fb2b702ec2d36db6 SHA-256: af209352c35747d14017208f24334d21832dc768374837e74d31d09e07ac8d19

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9990

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://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16081450ac1a16---vatizeg.pdf In PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160afda232e6d1---11604889863.pdfIn PDF document text
- http://caf-ljubljana.si/docs/nezodofopesififefisurabi.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/tq3ek2v8qnkj4er4j0gsa280k3/1482216669.pdfIn PDF document text
- http://prograsifkalip.com/files/sokubiwe.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160a2005c8dd91---48623854629.pdfIn PDF document text
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/7e1e8cec793b0599c64afb393a8691b4/61889226729.pdfIn PDF document text
- http://jaatkinson.com/userimages/92605292422.pdfIn PDF document text
- https://zhongzing.com/uploads/files/202108140505123200.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087507e47a88---59892478362.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/63432496933.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/firedigajejalulagit.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/86ec79a922517d26a92637126b68fa12/xuxanibezu.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/99469766204.pdfIn PDF document text
- https://dancleland.com/img/upload/file/zijomotekibu.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610fc4396c6f9---51084656659.pdfIn PDF document text
- http://career-id.org/ckfinder/userfiles/files/58786047610.pdfIn PDF document text
- https://ngonluathan.vn/images/ckeditor/files/jazevuxibiviwo.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dba656e9782---12621076602.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=lubrication+system+of+tractorPDF 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_off0000fba5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFBA5	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off000113b7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x113B7	18572 bytes
SHA-256: `9208f548aba2ead8ffca20daeafa9a04fa09575c9a3ec6ed75872509b7ad8885`
`font_02_sfnt_off000142b2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x142B2	10760 bytes
SHA-256: `5b09f68054d1bf0ba58b15dbbbbee0c3c8c8a71c4105630100a4369726e233cf`

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