PDF malware analysis — malicious · 1917b552ae491339

MALICIOUS

PDF

76.3 KB Created: 2022-03-25 21:05:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22

MD5: 0c6a0b9fec48349c55c5fd64fe352a00 SHA-1: fe674bbd9e0745e8e224f854c364d242be68dfe8 SHA-256: 1917b552ae491339fb08c4f0e8033ac0bdc03853d7b50d2d9a6972ff039f81b1

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9973

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=dynamic%20equilibrium%20anatomical%20definition PDF link annotation
- https://lukavorewigi.weebly.com/uploads/1/3/4/8/134862497/domav.pdfIn PDF document text
- https://josodurug.weebly.com/uploads/1/3/5/3/135394296/4610722.pdfIn PDF document text
- https://jaxefosizi.weebly.com/uploads/1/3/6/0/136083017/9d985af.pdfIn PDF document text
- https://juporolo.weebly.com/uploads/1/3/1/3/131380745/jokuro.pdfIn PDF document text
- https://tovawifigilad.weebly.com/uploads/1/3/0/7/130776196/kuxafu.pdfIn PDF document text
- https://nulixedupalaz.weebly.com/uploads/1/3/0/7/130739510/1e3527bf701958a.pdfIn PDF document text
- https://kapexuzavum.weebly.com/uploads/1/3/4/6/134691047/lajegilirewufok_ralerutawifi.pdfIn PDF document text
- https://fofavaduk.weebly.com/uploads/1/3/4/4/134436242/7206237.pdfIn PDF document text
- https://nenimokevip.weebly.com/uploads/1/3/4/3/134336374/8537308.pdfIn PDF document text
- https://loxujuzif.weebly.com/uploads/1/3/4/3/134368844/wepokowajokubamake.pdfIn PDF document text
- https://jafadunew.weebly.com/uploads/1/3/4/6/134632108/9016349.pdfIn PDF document text
- https://korexabareruwa.weebly.com/uploads/1/3/2/6/132680962/soxinonew-jigisunosiza.pdfIn PDF document text
- https://rubepaleve.weebly.com/uploads/1/3/1/4/131454262/jazafasurunike.pdfIn PDF document text
- https://dalosetog.weebly.com/uploads/1/3/1/4/131412235/remujatajok.pdfIn PDF document text
- https://tafajasezo.weebly.com/uploads/1/3/4/3/134312542/ginototese-lagefowugul-rawufarogaxim-jezixukuzo.pdfIn PDF document text
- https://pajopujo.weebly.com/uploads/1/3/4/3/134305169/613b9f290f9a5.pdfIn PDF document text
- https://texifuxifom.weebly.com/uploads/1/3/0/7/130776695/d5fda.pdfIn PDF document text
- https://fazofiketir.weebly.com/uploads/1/3/4/5/134507238/pixotasotesezoraga.pdfIn PDF document text
- https://xepesirivow.weebly.com/uploads/1/3/1/4/131408502/244402.pdfIn PDF document text
- https://jipunelokafup.weebly.com/uploads/1/3/4/1/134109215/mixow.pdfIn PDF document text
- https://pizijejubuga.weebly.com/uploads/1/3/4/8/134883891/mipuzoda-romovovituj.pdfIn PDF document text
- https://jelezasi.weebly.com/uploads/1/3/5/3/135347821/maxumunugatinotaxut.pdfIn PDF document text
- https://vepewose.weebly.com/uploads/1/3/4/4/134486620/7229507.pdfIn PDF document text
- https://dirixiganud.weebly.com/uploads/1/3/4/3/134321978/85e301b1cc13.pdfIn PDF document text
- https://beburasitowetu.weebly.com/uploads/1/3/0/9/130969608/vivir.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_off0000c91b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC91B	16348 bytes
SHA-256: `633c65b253ed2008fd7fcf5b9f0d43987a61335439f7a91f1e227887f856f60f`
`font_01_sfnt_off0000f36d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF36D	10968 bytes
SHA-256: `275a932a38c8de5697d6a137b2c9908bf76a7b7ef73175bd946c23c06ab51745`
`font_02_sfnt_off00010cb1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10CB1	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`

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