PDF malware analysis — malicious · d3ed66855b9a1092

MALICIOUS

PDF

79.8 KB Created: 2021-10-10 17:50:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21

MD5: 084e8be12a88bc776e88662fdaa4d96c SHA-1: 951ff3d940e7bbbd718996f80e37cef7efaf8c74 SHA-256: d3ed66855b9a1092566d86ff8a9ef377f2053fb51b55c8fe6405ef0d81b437c3

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9966

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 https://allytemp.ru/uplcv?utm_term=at+one+glance PDF link annotation
- http://arebiatours.com/uploads/files/tupuwoxamalegiguzupemo.pdfIn PDF document text
- https://accidentmatters.com/ckfinder/userfiles/files/13472527455.pdfIn PDF document text
- https://silverlabpupsforsale.com/userfiles/files/32456627226.pdfIn PDF document text
- https://www.antoniopopolizio.it/ckfinder/userfiles/files/52460894820.pdfIn PDF document text
- http://reicar.dk/userfiles/file/18108862248.pdfIn PDF document text
- https://dondepodemosir.com/userfiles/file/81964851535.pdfIn PDF document text
- http://dribblebar.pl/userfiles/file/51160353926.pdfIn PDF document text
- http://nutronicltd.com/userfiles/file/14019992624.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/d78e90bafe4f3e5c7b2a612e46cdcf38/semudub.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140194412b9f---78413042136.pdfIn PDF document text
- https://mandarinkinesiska.com/userfiles/file/6589714350.pdfIn PDF document text
- https://webaprint.be/img/file/66937680813.pdfIn PDF document text
- http://dlshixiang.com.cn/ckfinder/userfiles/files/45747328050.pdfIn PDF document text
- http://bratislava.topenglish.sk/app/webroot/gallery/files/93899627266.pdfIn PDF document text
- http://lecostationery.com/files/file/tabajirinizajarikilegib.pdfIn PDF document text
- http://activesites.atiks.org/files/vurubukusowemejixodix.pdfIn PDF document text
- https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/75000033782.pdfIn PDF document text
- http://www.gdchgs.com/admin/img/files/fajot.pdfIn PDF document text
- http://sibaco.ru/ckfinder/userfiles/files/68582817394.pdfIn PDF document text
- http://op-gold.com/ck_image/files/62057713372.pdfIn PDF document text
- http://denkobarbell.com/_upload/files/42346107029.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/7882e0c242d8fbf0a00f600b5c4a4d99/43938764035.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000bedf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBEDF	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000d6f6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD6F6	10024 bytes
SHA-256: `9991ef8c4848ebfa465fdc4e471f33d640fb775c8cc9e0d3dce3c5f1a63d374d`
`font_02_sfnt_off0000ed69.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xED69	16568 bytes
SHA-256: `1eb5031869d930f00339d87a4ecd7afec5b92faae996d2f1295c0568b26a0b27`
`font_03_sfnt_off000104a3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x104A3	16912 bytes
SHA-256: `d6d14c42964bc66db02f312cc87e7e2e9ff9476bab70558f23fa962c497518f2`

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