PDF malware analysis — malicious · f2f11d235341dcc2

MALICIOUS

PDF

82.0 KB Created: 2021-10-06 04:26:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13

MD5: b19c27189f859764cf5c859007c9bacb SHA-1: 1a38cad21eea279edda2ba0404bc84b0b52aae9d SHA-256: f2f11d235341dcc2f53ef986d1b1669df762edc6088e7279fe4f76e4e2698e99

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9977

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://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/3qkh3v6jjuqrpda148kubmviip/zufiluwanimopanipexo.pdf In PDF document text
- https://spacio.hk/attachment/file/23370333126.pdfIn PDF document text
- http://scvumaichiramen.com/uploads/files/dezesuvowor.pdfIn PDF document text
- https://edouardweil.com/userfiles/file/42408631735.pdfIn PDF document text
- https://iword.de/userfiles/file/batox.pdfIn PDF document text
- http://monteconsultants.com/image/upload/File/dawipefijuv.pdfIn PDF document text
- http://davcpundri.com/css/file/70094141550.pdfIn PDF document text
- http://youil.org/userData/board/file/21305247455.pdfIn PDF document text
- https://magicdiscoradio.com/userfiles/file/82049320954.pdfIn PDF document text
- https://psystat.net/candyticket/uploads/page_images/files/xivukepusajujonagel.pdfIn PDF document text
- http://tecniagua.es/uploads/ckfinder/files/sekepigogukujetujineredud.pdfIn PDF document text
- https://nichecnk.leaddeehub.com/userfiles/files/56538321757.pdfIn PDF document text
- http://sbs-group.co/userfiles/files/96449603693.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec26cc5b8b---zewoluzimeduwidik.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/49c99b89a68cfd89bd52eb5770e6afe0/femosulodakutunupe.pdfIn PDF document text
- http://erbamedica.org/userfiles/files/29796594780.pdfIn PDF document text
- https://postelezmasivu-praha.cz/ckfinder/userfiles/files/sufazefifawipajulu.pdfIn PDF document text
- http://mega.kz/media/upload/files/45420115863.pdfIn PDF document text
- https://xn--fct8ml6mwue.tw/uploads/files/xokiniloratazavemi.pdfIn PDF document text
- http://familie-schiecke.de/images/file/96277986335.pdfIn PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/xisokibipisazu.pdfIn PDF document text
- https://y3stwk65l-mn9.com/contents/files/42622680654.pdfIn PDF document text
- https://zagorjeadventureteam.hr/files/27374376659.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=what+is+systematic+risk+in+financial+managementPDF 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_off0000db18.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDB18	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_01_sfnt_off0000f32a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF32A	17964 bytes
SHA-256: `9b7d42efbce18a2de3396f94f0d75b6157cae777a456fa417055d8dabf7eae07`
`font_02_sfnt_off0001214b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1214B	10864 bytes
SHA-256: `47f66a84c75fd5e7f552642abc13d22d2c119cc8301a3a19e02b1b0d5ac852a5`

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