PDF malware analysis — malicious · af2d0b4ed39be7ed

MALICIOUS

PDF

73.5 KB Created: 2022-03-30 13:38:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21

MD5: 68c5c63eece1aa83221491715f136a97 SHA-1: 416dc0c371e12474262aaf41751e6506977c78fe SHA-256: af2d0b4ed39be7edfb027afdd24c0e376b627b1bb2869b80f1eff403b1110f74

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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://yoyep.co.za/YmrXLWy8?keyword=are%20cuisinart%20and%20keurig%20water%20filters%20the%20same PDF link annotation
- http://povprojekt.cz/upload/files/10850167387.pdfIn PDF document text
- https://www.systemswecare.com/admin/kcfinder/upload/files/18767161811.pdfIn PDF document text
- https://derakudo.weebly.com/uploads/1/3/4/2/134266069/favajijitoz.pdfIn PDF document text
- https://butavuzi.weebly.com/uploads/1/3/2/6/132682386/nitusazigipines-zibedarotoji-zuvunogobivil.pdfIn PDF document text
- http://fpole.ru/sadm_files/rekujubegu.pdfIn PDF document text
- https://atlas-consulting.ro/fckeditor/fisiere/file/wododejulosivexejuvirorax.pdfIn PDF document text
- https://zejabiforisog.weebly.com/uploads/1/3/4/2/134266870/aabc1aed.pdfIn PDF document text
- https://nivasotum.weebly.com/uploads/1/3/5/9/135991747/rilirogijuzaxuraja.pdfIn PDF document text
- http://jewelry-shopping-city.com/uploads/files/202203160518257875.pdfIn PDF document text
- http://abc-tel.ru/data/File/79652419334.pdfIn PDF document text
- http://reputesystems.com/app/webroot/uploads/files/safuzuvazenopif.pdfIn PDF document text
- http://tokado.ua/media/file/36616006173.pdfIn PDF document text
- https://totijavefukaja.weebly.com/uploads/1/3/4/7/134705726/wabepupasuke.pdfIn PDF document text
- https://degevibuv.weebly.com/uploads/1/3/5/3/135316410/faxilezo_taruke.pdfIn PDF document text
- https://nenikekawudiw.weebly.com/uploads/1/3/4/4/134468161/nolujeba.pdfIn PDF document text
- http://orel-trinity.ru/sites/default/files/file/9120734640.pdfIn PDF document text
- https://bandotrading.it/uploads/file/56607293792.pdfIn PDF document text
- https://zelopira.weebly.com/uploads/1/3/5/9/135990333/pafoxaso.pdfIn PDF document text
- https://kukotefuses.weebly.com/uploads/1/3/1/6/131637352/874492.pdfIn PDF document text
- https://northwoodsinnsuites.com/nbloom/fckuploads/file/tovutoviredefegulugawuti.pdfIn PDF document text
- https://tiwovukixata.weebly.com/uploads/1/3/4/3/134314311/wazemofilovalunuj.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000b8b7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB8B7	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`
`font_01_sfnt_off0000cf5b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCF5B	11064 bytes
SHA-256: `227bfcf7ab3202717045a1905c82683e049495c0ca27cd655831f93e0046299d`
`font_02_sfnt_off0000e8c8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE8C8	18116 bytes
SHA-256: `76e8e4f36623f604ce312d43cae37f6ae89076de08fa02eef0d1c49380e3b828`

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