MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous URLs pointing to various websites. Several of these URLs are hosted on compromised WordPress sites, suggesting a potential phishing or malware distribution scheme. The document body is heavily obfuscated and appears to be metadata from the wkhtmltopdf tool, rather than user-readable content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://smidgel.ru/uplcv?utm_term=how+to+save+webpage+as+pdf+on+ipad PDF link annotation
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161337e7dc1de6---80648631741.pdfIn PDF document text
- https://yptea.com/data/fckeditor/files/revebopekitafodarud.pdfIn PDF document text
- http://friulanamarmi.it/images/file/99088723862.pdfIn PDF document text
- http://printrun.nl/userfiles/files/jepokikusibosamafubal.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141f26dd1172---jamab.pdfIn PDF document text
- https://kotypsy.pl/ckfinder/userfiles/files/28724970427.pdfIn PDF document text
- http://luberoff.com/userfiles/file/93888694566.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/95631433875.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/gr1b8bp0ft9kpaekqj2t9cksqr/28338960001.pdfIn PDF document text
- http://nepodoshlo.kz/ckfinder/userfiles/files/4812351111.pdfIn PDF document text
- http://gvs-russia.ru/admin/ckfinder/userfiles/files/7850341672.pdfIn PDF document text
- https://zohopinler.com/calisma2/files/uploads/26668230697.pdfIn PDF document text
- https://musikkursus.dk/userfiles/file/wagimawonu.pdfIn PDF document text
- http://andersonlawdecorah.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/furatemafavomojato.pdfIn PDF document text
- http://elitaliaweb.it/upload/file/bixoneduf.pdfIn PDF document text
- https://beautydiction.com/ckfinder/userfiles/files/28402601609.pdfIn PDF document text
- https://sthouseluxury.com/upload/files/43339601763.pdfIn PDF document text
- https://hitourkorea.com/FileData/ckfinder/files/20210903_5CCB51F319032BE6.pdfIn PDF document text
- http://tecs4.com/intranet/ckfinder/userfiles/files/27615110123.pdfIn PDF document text
- http://mardeestilos.es/fotos/file/paxujuzirukof.pdfIn PDF document text
- https://rivieresoceanie.com/ckfinder/userfiles/files/47438731079.pdfIn PDF document text
- https://ekoelprom.pl/public/images/editor/file/45681037710.pdfIn PDF document text
- https://demo-calson.garment-pro.com/ckfinder/userfiles/files/togugewubojudunuzisab.pdfIn PDF document text
- http://olympicburger1988.com/uploads/files/20232867994.pdfIn PDF document text
- https://martan.es/cenavarra_userfiles/files/63164130334.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_off0000e512.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE512 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fd24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD24 | 17700 bytes |
SHA-256: 4b8e589b9ba45426e1fc9d1e2b679d74b507a1fcd6da2fa553f4cc61746222a5 |
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font_02_sfnt_off00012b2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B2D | 10808 bytes |
SHA-256: b0cc1a8b51b3ae686319daa7065a96ee49e4547aa5fe56e4221d79216871d9bf |
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