PDF malware analysis — malicious · cd731aea42d7242c

MALICIOUS

PDF

69.5 KB Created: 2022-04-17 16:19:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19

MD5: f54c9bac1bd0c5a21a120f6b77773354 SHA-1: bdaa04302007f70f0a668821b865eab53a653c4f SHA-256: cd731aea42d7242c941248e03f7fdb94e027f4e9df72afd602846a2582708b7a

194 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9992

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.
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.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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://yubit.co.za/YmrXLWy8?keyword=how%20to%20use%20bose%20remote%20control PDF link annotation
- https://lovuzoba.weebly.com/uploads/1/4/1/2/141219831/puvubodiwedol-mewixala-zakode-nebidef.pdfIn PDF document text
- https://tikekukitalil.weebly.com/uploads/1/3/2/7/132712015/3bbfd207.pdfIn PDF document text
- https://wafugavewe.weebly.com/uploads/1/3/4/3/134369352/3314037.pdfIn PDF document text
- http://pyramidplaster.com/file_media/file_image/file/bowupoxexutobinix.pdfIn PDF document text
- https://kaferafodi.weebly.com/uploads/1/3/0/7/130775544/dezujegubagu_vuwotod.pdfIn PDF document text
- http://www.aaar.cat/assets/js/ckfinder/userfiles/files/30637817957.pdfIn PDF document text
- http://holflorstudio1.cz/upload/files/58113761043.pdfIn PDF document text
- https://dupifexuxesopap.weebly.com/uploads/1/3/5/3/135348138/c943e24846c.pdfIn PDF document text
- http://riggi.ru/userfiles/file/26831189055.pdfIn PDF document text
- https://minunelojob.weebly.com/uploads/1/3/1/4/131453060/7c1538cfce.pdfIn PDF document text
- https://makaxupom.weebly.com/uploads/1/4/1/4/141425825/77db2852.pdfIn PDF document text
- https://rejomopoxe.weebly.com/uploads/1/3/1/3/131383333/3cbb2efc767ec31.pdfIn PDF document text
- https://dodixokufeji.weebly.com/uploads/1/3/4/5/134597977/7587152.pdfIn PDF document text
- https://nationalshield-uae.com/userfiles/files/sagami.pdfIn PDF document text
- https://cosmetic.dilen.top/upload/files/50860230951.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1621b367853048---33091713383.pdfIn PDF document text
- https://pigakuri.weebly.com/uploads/1/3/4/6/134684466/2e8383b9b9c.pdfIn PDF document text
- https://flyingfish-stay.godyouoh.com/userfiles/file/44829661949.pdfIn PDF document text
- https://zajutarox.weebly.com/uploads/1/3/0/8/130814803/gesabapatilirug.pdfIn PDF document text
- https://pudonezex.weebly.com/uploads/1/3/4/6/134674437/d036eec5822964.pdfIn PDF document text
- https://kuvegegujumil.weebly.com/uploads/1/3/4/3/134367432/judutidap.pdfIn PDF document text
- https://seroselek.weebly.com/uploads/1/3/4/6/134636573/1616152.pdfIn PDF document text
- http://355353.ru/userfiles/file/12423151359.pdfIn PDF document text
- https://zalekekowijix.weebly.com/uploads/1/3/5/3/135346798/gufowoxipefemirag.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_off0000a9de.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA9DE	17164 bytes
SHA-256: `18f46d87c7c4b0e23351a6252f61e85193f6759557e310da166cd7f0d76a0a34`
`font_01_sfnt_off0000d669.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD669	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off0000ee80.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEE80	10452 bytes
SHA-256: `b4ea61523e1b0ac766e842bd6656165c22aadcc41fb552531f14355f206a1f9a`

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