PDF malware analysis — malicious · 4782b4a62bf732b9

MALICIOUS

PDF

76.9 KB Created: 2021-12-08 16:45:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20

MD5: 0bdb897c9228c7af4e210c0b12a356f4 SHA-1: 04dff6fa54703311c3e9dd3ae82199f7c11677fd SHA-256: 4782b4a62bf732b9bcc46291208eb27cc3c88a2b3780b65ed70b00a37bc5b2b7

164 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9976

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
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/987f6965a967a3259055658d7cc15779/pevejos.pdf In PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161712239708cc---73884540941.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/70033179093.pdfIn PDF document text
- http://parcroyale.hk/userfiles/kabobe.pdfIn PDF document text
- http://allergya.news-read.com/upload/files/kerujiwe.pdfIn PDF document text
- http://rayanchem.com/d/files/75722161368.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/18046913059.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/1a738cb6c5e99eeef0311a27f55e2877/56226351883.pdfIn PDF document text
- http://radio6deenero.com/uploaded/files/jalodonejuwosodenu.pdfIn PDF document text
- http://3e3i.com/UserFiles/file///vitonutipitoxatoj.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/zerekekeb.pdfIn PDF document text
- http://telangana99.com/userfiles/file/gafutimamubafuwewekevub.pdfIn PDF document text
- http://lnaixi.com/userfiles/file/20211024214832_345497516.pdfIn PDF document text
- https://roshnaai.com/ckfinder/userfiles/files/31203642879.pdfIn PDF document text
- https://kaptenhoki.com/contents/files/82960261579.pdfIn PDF document text
- http://kiengiahung.com/userfiles/file/zetanijezirazes.pdfIn PDF document text
- https://rougezenekar.hu/files/file/25902459426.pdfIn PDF document text
- https://diphong.com/uploads/9976888980.pdfIn PDF document text
- http://charivne.info/images/file/63587933015.pdfIn PDF document text
- http://cathyknightwaite.com/ckfinder/userfiles/files/48647947507.pdfIn PDF document text
- http://paintmaster.hu/js/ckfinder/userfiles/files/piseji.pdfIn PDF document text
- http://flamefitnessstudio.com/cewit/images/file/toribexo.pdfIn PDF document text
- https://groupburuemas2.com/contents/files/85294718230.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/u-9XGpgKpwY/uplcv?utm_term=the+color+purple+major+works+data+shPDF link annotation
- 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.netReferenced by PDF JavaScript
- http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c14b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC14B	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`
`font_01_sfnt_off0000d7ea.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD7EA	19128 bytes
SHA-256: `c24aeb01fc1e702a66ff158dae71939ad85888c179c6182a5f31568798b1b11c`
`font_02_sfnt_off00010a76.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10A76	10952 bytes
SHA-256: `280359c7c903756d57fbfe5cc6f26824d59419784930a66d6c24394de73edd4e`

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