PDF malware analysis — malicious · ba96cc06f5b19b93

MALICIOUS

PDF

89.6 KB Created: 2021-07-04 03:15:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05

MD5: 970c29ba2dd692eaccf3ceefa7e78528 SHA-1: eff875306f7d74fbf7bff0b07642d802187e68df SHA-256: ba96cc06f5b19b93170d6df42435e442b692c05a01cdca33d46423393d76dd0b

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm pointing to compromised CMS uploads and disposable hosting. The PDF contains numerous external URIs, many of which are hosted on compromised WordPress sites, suggesting an attempt to lure users to malicious content. While no scripts were extracted, the structure and URL patterns are consistent with phishing or malware distribution campaigns.

Machine Learning

Nyx PDF Classifier malicious score 0.9822

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
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.
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 http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7u9b680cslu04qdk48tmpmat80/zobozawe.pdf In PDF document text
- http://bensonlandscape.com/editorData/file/44077636458.pdfIn PDF document text
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee8d13512f---sipezineg.pdfIn PDF document text
- http://bukharageorgia.com/sites/default/files/file/wibuginojisur.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608918b741c61---telutiv.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/1j05jm6son9fgeiv2gj10duqm1/zijiminawin.pdfIn PDF document text
- https://roweryelectra.eu/app/webroot/uploads/file/16229981043182.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c01c22177---10542941214.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609655280d1dd---bifosekesujififapi.pdfIn PDF document text
- http://yuha.be/_files/file/59322694524.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/e8794d86dd1a2c76e78a9269006a8aad/12014583510.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c2c4c7c9aea---64600746543.pdfIn PDF document text
- http://naucseto.cz/storage/57765183562.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082c1c25096d---77405978938.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607760cea310e---50616062200.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/domunodivugalofuvirigefug.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b937fd83b6---37662229221.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3b444b75f---65235016787.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/58c27a9fc8cb0c58f0fa93d4f94a3263/8347384005.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160860a95946a4---7202543901.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/2d7dec0aa0e3ddee4a1f7f16534cdc5f/38196884677.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/h5hil1uk9csb5bbsoim0funt1m/97392876198.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608208ee5a12b---webevopatalutatosimimil.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/e00563fda8b72cf3ab11f5a2a632a1f1/1675817218.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/b170d50d5a649628e3dcb03893bfff29/sawowadovubesopugoxuzodif.pdfIn PDF document text
- http://somersetcountybar.org/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xokakidutapig.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=cheat+teleport+pokemon+fire+redPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/3f585bef641d46d1096949c1fa133e28/dekawozax.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_off0000fc5c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFC5C	10716 bytes
SHA-256: `fb35b9611e90d4bde68cdbc2209b878e4b1b6444c9724407d082c22da67b78b1`
`font_01_sfnt_off000114c5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x114C5	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00012cd7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12CD7	17060 bytes
SHA-256: `9964c1690daa2b5f880212ef37eee463c127288fb6dd955ae9576898f7f1dc3f`

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