PDF malware analysis — malicious · aa8b71301eea1908

MALICIOUS

PDF

83.4 KB Created: 2022-05-24 02:49:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06

MD5: 14e7ae9cb8889d019972ba2e89ab55d9 SHA-1: 9faa9b14deb5d29a51d4b1fa65a27ee4576176e3 SHA-256: aa8b71301eea190871199b8bca5f0b065691f989b9407dff75d3baa78affb934

226 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9996

Heuristics 7

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.
Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE

Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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://lovig.co.za/YmrXLWy8?keyword=social%20innovation%20definition%20pdf%20free%20online%20course%20pdf PDF link annotation
- https://quangcaowebsitecomvn.xemlaco.com/uploads/files/29556146751.pdfIn PDF document text
- http://giaphatmed.com/upload/file/9305788459.pdfIn PDF document text
- https://nenizipefofobi.weebly.com/uploads/1/3/4/3/134337801/bubatakefujedapesa.pdfIn PDF document text
- https://vanaguneselo.weebly.com/uploads/1/3/5/3/135341402/6905476.pdfIn PDF document text
- https://casasholidays.com/scgtest/team-explore/uploads/files/78570962959.pdfIn PDF document text
- https://duxupanitazubo.weebly.com/uploads/1/3/0/8/130813094/2822192.pdfIn PDF document text
- https://numen-wow.com/userfiles/cloud/files/varabejodupibir.pdfIn PDF document text
- https://nepalimodelagency.com/userfiles/file/57502583881.pdfIn PDF document text
- https://mawanegofarate.weebly.com/uploads/1/3/4/4/134466522/wemefodafosunisa.pdfIn PDF document text
- https://fubipiwuxavo.weebly.com/uploads/1/3/4/7/134715515/pixivefuwepenok.pdfIn PDF document text
- https://aljuboori.com/userfiles/files/49968561790.pdfIn PDF document text
- http://cariboo.simplywebeditor.com/site-uploads/kogotinopegawififusonib.pdfIn PDF document text
- https://cauthinh.com/luutru/files/wugozuxetagaxusokubir.pdfIn PDF document text
- https://prolinenergy.com/Admin/plugins/ckeditor/kcfinder/upload/files/vasesegogajimitozo.pdfIn PDF document text
- https://lotorulewut.weebly.com/uploads/1/4/1/6/141620198/mikefutukakixepire.pdfIn PDF document text
- https://liragajukum.weebly.com/uploads/1/3/7/5/137513179/jonanisuteku.pdfIn PDF document text
- https://wilufonikeku.weebly.com/uploads/1/3/4/8/134878677/3501633.pdfIn PDF document text
- https://nabikiwajozipaf.weebly.com/uploads/1/3/5/3/135391661/nafulutate.pdfIn PDF document text
- https://goragamori.weebly.com/uploads/1/4/1/7/141739828/9950636.pdfIn PDF document text
- https://ferovagadimi.weebly.com/uploads/1/3/2/6/132696304/09fbe0404f2.pdfIn PDF document text
- https://tukibasitotaz.weebly.com/uploads/1/3/4/4/134445351/nanixemapidonababika.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_off0000e096.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE096	10856 bytes
SHA-256: `fa222d74428c924ed0979c568aa951ea26fa2dcd97311ed85ed3d359f33bdc17`
`font_01_sfnt_off0000f9c1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF9C1	17412 bytes
SHA-256: `1d1a10a222c6a0ab0b396896db27febcf59a14cc56f69a037c98d307c03b6824`
`font_02_sfnt_off0001275e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1275E	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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