PDF malware analysis — malicious · d3ec3f6ce1718b13

MALICIOUS

PDF

77.8 KB Created: 2022-03-27 13:37:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21

MD5: 51e247870963eceed7ed4f3636b978d0 SHA-1: d515b1483fc7c611c4bf1adb990fe77c99ecac28 SHA-256: d3ec3f6ce1718b133bbd648551f235f4de4ac280b04e4494e0b017d7b9c641f0

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9989

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://mifuj.co.za/YmrXLWy8?keyword=fujitsu%20halcyon%20dc%20inverter%20filter PDF link annotation
- https://sefujokugitexas.weebly.com/uploads/1/3/1/4/131408298/lajugusopulopaguji.pdfIn PDF document text
- https://nufosizusom.weebly.com/uploads/1/3/4/6/134619592/jozarazowiwowur.pdfIn PDF document text
- https://kexogufonijer.weebly.com/uploads/1/3/4/6/134612909/buvoliwof.pdfIn PDF document text
- https://josebugovoje.weebly.com/uploads/1/3/0/7/130738719/836677056638138.pdfIn PDF document text
- https://gosevitugelaw.weebly.com/uploads/1/3/4/4/134439416/gajabi.pdfIn PDF document text
- https://pulosonimoge.weebly.com/uploads/1/3/0/7/130739093/8779027.pdfIn PDF document text
- https://lujoduxatodovaw.weebly.com/uploads/1/3/2/3/132302833/sezozikepimebego.pdfIn PDF document text
- https://kuvixajixi.weebly.com/uploads/1/3/1/6/131637850/katadavi-guxelebasebuz.pdfIn PDF document text
- https://xajasobuz.weebly.com/uploads/1/3/4/8/134861619/kusovizesonalodupib.pdfIn PDF document text
- https://kebetesoma.weebly.com/uploads/1/3/2/6/132695457/5810733.pdfIn PDF document text
- https://taregegojife.weebly.com/uploads/1/3/3/9/133997559/9657917.pdfIn PDF document text
- https://lutaxebibutemun.weebly.com/uploads/1/3/1/3/131380730/4969243.pdfIn PDF document text
- https://xubebedi.weebly.com/uploads/1/3/0/7/130776367/falof_xotudufosedeb.pdfIn PDF document text
- https://godewofevi.weebly.com/uploads/1/3/2/8/132814364/9565586.pdfIn PDF document text
- https://xuwovovap.weebly.com/uploads/1/3/1/6/131607152/kifomulobes-komolovitat-nafekawoko.pdfIn PDF document text
- https://firebawoba.weebly.com/uploads/1/3/4/6/134659507/8484469.pdfIn PDF document text
- https://pakulokopujaf.weebly.com/uploads/1/3/5/3/135389458/7096297.pdfIn PDF document text
- https://zaroxirag.weebly.com/uploads/1/3/4/4/134457582/b2f76.pdfIn PDF document text
- https://dotolisode.weebly.com/uploads/1/3/4/6/134616401/sagiv.pdfIn PDF document text
- https://wofimokenodifi.weebly.com/uploads/1/3/5/3/135331476/7668906.pdfIn PDF document text
- https://kirirakux.weebly.com/uploads/1/3/4/8/134894882/wafoxazesofon-dumebiguxib-renumisavo.pdfIn PDF document text
- https://jovuximunises.weebly.com/uploads/1/3/0/8/130814448/4629905.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_off0000cc61.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCC61	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`
`font_01_sfnt_off0000e300.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE300	16984 bytes
SHA-256: `ef16eb6d21ed33a3b87aaa8d0b459a99c9d8be1eb33a733146dd2201dcb47544`
`font_02_sfnt_off00010f31.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10F31	10960 bytes
SHA-256: `3d0eb542ea903108d55b57aefcb67b7c2ac6f5e3513200afc095b62275d78db7`

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