PDF malware analysis — malicious · 4e3613975b14b456

MALICIOUS

PDF

82.9 KB Created: 2022-03-31 09:39:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19

MD5: d591ae9c1f1b4490837a478c95fb81c4 SHA-1: 233d42f7f75357d4e7ec6b29ea5e6c8f0ada7902 SHA-256: 4e3613975b14b4566d6a0119f1086196c3f6585b1ae9186a1b5b437a49b56931

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9984

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://norin.co.za/YmrXLWy8?keyword=vector%20addition%20by%20components%20calculator PDF link annotation
- http://thedewakohchang.com/image/upload/File/awezefit.pdfIn PDF document text
- https://promaxsuspension.com/csmimage/file/27433722458.pdfIn PDF document text
- https://kixisulik.weebly.com/uploads/1/3/2/7/132740480/5412421.pdfIn PDF document text
- http://ebiocell.com/uploadfile/file///2022020110052890.pdfIn PDF document text
- https://dojudiwoju.weebly.com/uploads/1/3/1/4/131406456/a627e0c166.pdfIn PDF document text
- https://wietsevoermans.nl/ckfinder/userfiles/files/lixix.pdfIn PDF document text
- https://sodomolu.weebly.com/uploads/1/3/5/3/135398587/daluzugevufuwunelaku.pdfIn PDF document text
- http://khocabien.com/uploads/files/jometigefino.pdfIn PDF document text
- https://xereritotof.weebly.com/uploads/1/3/1/0/131070340/jixavodejemid.pdfIn PDF document text
- https://ribovaboj.weebly.com/uploads/1/3/0/7/130775049/693467b0958c1.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/162352549aaeb6---xolapetibafizesivekejuf.pdfIn PDF document text
- http://bhartiyambeohari.in/userfiles/file/dogoxuvanuretuvepawirepa.pdfIn PDF document text
- https://kejevupaju.weebly.com/uploads/1/3/0/8/130814576/bd75a1bded7743.pdfIn PDF document text
- http://avto-sova.ru/upload/files/sojinikofajebolop.pdfIn PDF document text
- https://kuvixajixi.weebly.com/uploads/1/3/1/6/131637850/katadavi-guxelebasebuz.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16201ed03ec92a---geruxuru.pdfIn PDF document text
- https://miwidekufaxojud.weebly.com/uploads/1/3/4/7/134753597/guxagekuzif-woxinowineka-wimabatej.pdfIn PDF document text
- https://n-tlg.com/files/file/96325899032.pdfIn PDF document text
- http://ceroki.com/image/files/68014702887.pdfIn PDF document text
- https://senuwisaf.weebly.com/uploads/1/3/4/0/134018119/tujiwugemibovotet.pdfIn PDF document text
- https://foxufaba.weebly.com/uploads/1/3/1/4/131482874/659d6389c5.pdfIn PDF document text
- https://jekaboda.weebly.com/uploads/1/3/5/3/135398795/lomulinomefi.pdfIn PDF document text
- http://www.anespo.pt/sgc/Assets/Plugins/CKEditor/kcfinder/Uploads/files/66813092364.pdfIn PDF document text
- http://newpacksy.com/admin/kcfinder/upload/files/waxolujinezopivujez.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c696.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC696	16616 bytes
SHA-256: `0af5602baa4a919e77a3314256bc99a939850b519bfca39d7d684eaccf82392d`
`font_01_sfnt_off0000dd5e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDD5E	10996 bytes
SHA-256: `85423c1ce22b56df7dd21ff09286784b716e69ee28c478103ec81511c22f9cc1`
`font_02_sfnt_off0000f6b1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF6B1	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`
`font_03_sfnt_off00010d50.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10D50	17748 bytes
SHA-256: `c6461f66d308e462d18d19c21e8be22bac55e7d985326a0c0e8d360d2e315177`

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