PDF malware analysis — malicious · 3dd9bd72fd1f160d

MALICIOUS

PDF

85.4 KB Created: 2022-05-03 02:24:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-26

MD5: c311672d4bc114d0b5f5453cc5e81223 SHA-1: 3956098e0397a23ec22a899a1b486b30c9ab08a1 SHA-256: 3dd9bd72fd1f160dff4d57337600722dce25bb5da6c75d2f6e0bd3ef57e2653a

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9982

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://yubit.co.za/YmrXLWy8?keyword=cuentos%20para%20pensar%20jorge%20bucay%20rese%C3%B1a PDF link annotation
- https://jatilupek.weebly.com/uploads/1/3/4/4/134491857/divevovapimesa.pdfIn PDF document text
- https://neruwutuwi.weebly.com/uploads/1/3/5/9/135960217/b863c0.pdfIn PDF document text
- https://kedixusivazusug.weebly.com/uploads/1/3/4/8/134869684/1024384.pdfIn PDF document text
- https://jujasubutofudu.weebly.com/uploads/1/3/4/8/134848626/c65beb6.pdfIn PDF document text
- https://vidozalenaw.weebly.com/uploads/1/3/4/8/134875831/gojomitasad_remizokufulekot_vapofag_xaxomofepojawab.pdfIn PDF document text
- https://noxolawozin.weebly.com/uploads/1/3/1/4/131452883/e0fc023b.pdfIn PDF document text
- https://varovugunigode.weebly.com/uploads/1/3/4/4/134480676/kowaxolazun_jatifoxavepa_wopefexata_rixonawa.pdfIn PDF document text
- https://wosabawa.weebly.com/uploads/1/3/5/3/135390578/bekulinolofodinu.pdfIn PDF document text
- https://niwubeleligijoz.weebly.com/uploads/1/3/4/7/134764474/9031311.pdfIn PDF document text
- https://tarajusozu.weebly.com/uploads/1/4/1/3/141337870/zidono.pdfIn PDF document text
- https://vebaduxop.weebly.com/uploads/1/3/5/3/135327545/1614538.pdfIn PDF document text
- https://dutilugamon.weebly.com/uploads/1/3/5/3/135301630/a8281db5d.pdfIn PDF document text
- https://xobisajak.weebly.com/uploads/1/3/4/2/134234638/f90a36a04e81bfd.pdfIn PDF document text
- https://dotadokox.weebly.com/uploads/1/3/4/8/134883209/5a7adc.pdfIn PDF document text
- https://numojuwavusori.weebly.com/uploads/1/3/4/7/134728722/c4aff5.pdfIn PDF document text
- https://kazobutuzag.weebly.com/uploads/1/3/1/1/131164075/tugejetumonupajajog.pdfIn PDF document text
- https://giwavonuga.weebly.com/uploads/1/3/4/3/134368028/miresuwudevov-rupakuz-wupuruzadono-poxomugegeje.pdfIn PDF document text
- https://wemapemubagik.weebly.com/uploads/1/4/1/5/141503660/4054121.pdfIn PDF document text
- https://lufumapapolag.weebly.com/uploads/1/3/4/3/134353855/zusunepekawezag.pdfIn PDF document text
- https://wugikomopeza.weebly.com/uploads/1/3/1/4/131407005/durififiwumoma.pdfIn PDF document text
- https://penaxixix.weebly.com/uploads/1/3/0/8/130813526/wovifujoxaso.pdfIn PDF document text
- https://kemipopebu.weebly.com/uploads/1/3/4/5/134585234/4998715.pdfIn PDF document text
- https://nokatumevizo.weebly.com/uploads/1/3/2/7/132740479/ffbe7a5.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_off0000cd70.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCD70	11132 bytes
SHA-256: `9ba10607adc1f80a566c65a3291b7179dc03727e958bba9e3422a9773b670316`
`font_01_sfnt_off0000e73a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE73A	18636 bytes
SHA-256: `e53b5bcef5ce0e30d66aaabaa15ebea2bc5cf140fe17e622c4b8d3700eb1f559`
`font_02_sfnt_off00011684.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11684	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_03_sfnt_off00012e95.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12E95	16376 bytes
SHA-256: `0c133022d1e9883d2ff7035cf84f1fa0be9cfa0d671266bc5a940283bc0f9855`

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