PDF malware analysis — malicious · 478a5844b0327421

MALICIOUS

PDF

96.0 KB Created: 2021-10-06 10:49:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20

MD5: 380c2504abc9b54543251ffcf34d10f9 SHA-1: 77f9ef63e8c8717278f09fc2281a1b020a08fd2c SHA-256: 478a5844b03274217756d78e03e51b4b746c8aa6bbc7f26b393de17edc619fd7

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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://ristovski.mk/public_html/upload/userfiles/file/36468277689.pdf In PDF document text
- http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210919225934.pdfIn PDF document text
- https://dubaimotorcycletours.dubaimotorhomerentals.com/uploaded_images/files/zabudakawujadaz.pdfIn PDF document text
- http://romanasulcikova.cz/userfiles/gabalexoberupovava.pdfIn PDF document text
- http://quatanggiabao.com/images/uploads/files/jatelisupuzijewaxisiroge.pdfIn PDF document text
- https://georeno.ca/userfiles/files/paxumevitodevaputa.pdfIn PDF document text
- http://polletnv.be/uploads/files/60293277956.pdfIn PDF document text
- http://salonrowerowy.com/userfiles/file/44666070178.pdfIn PDF document text
- https://ceylanotel.com/firma/files/mipixoxiritukimib.pdfIn PDF document text
- http://gintaras.cz/userfiles/file/xevilixobamanerolux.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/70klh3kjivdrj4d768a5nspbm3/85431539441.pdfIn PDF document text
- http://tayles.com/uploaded/81830738211.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16159814aee910---tarofidedagazin.pdfIn PDF document text
- https://cvssteelex.com/ckfinder/userfiles/files/46996461831.pdfIn PDF document text
- http://jl-vacuum.com/upload/files/mufejanugapar.pdfIn PDF document text
- https://shellserva.nl/docs/Image/file/zejagadukodanenibukebava.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ca45d5ce2b---rexazawizunod.pdfIn PDF document text
- http://dream-mebel.com/pic/file/kesavirarowudi.pdfIn PDF document text
- https://raljob.com/userfiles/file/59014097487.pdfIn PDF document text
- https://e-room.co/userfiles/file/72393711511.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/c27a7223e427b13802840fa68f4f3e66/nutogobobizesuligab.pdfIn PDF document text
- https://hoalavender.net/upload/files/robuxuxosonetoruf.pdfIn PDF document text
- http://tunesistudio.eu/userfiles/files/wivumabusanuvudorida.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=top+10+game+downloading+sitesPDF 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_off00010cd6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10CD6	20024 bytes
SHA-256: `3681879091828923febee57507a51318e69fa2e11313f8a3e3a30b483653bc34`
`font_01_sfnt_off0001414e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1414E	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00015965.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x15965	10860 bytes
SHA-256: `fd4fad72915ca75c5f39d023001cb4ca11b6e5bf24d436852cebab2155144f20`

Open this report in the interactive analyzer, or submit your own file for analysis.