MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://laborke.ru/uplcv?utm_term=indd+to+pdf+converter
- http://turar-mussin.com/userfiles/File/rixiwa.pdf
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/mowobaloxovurupabomefoxar.pdf
- http://sun-apartments.pl/data/pages/rivusogu.pdf
- http://zpkprzemysl.pl/ckfinder/userfiles/files/pixexulududurem.pdf
- http://old.smartplus.pl/ckfinder/userfiles/files/lazigodivikimajuxoxi.pdf
- http://studiosimonepantaleo.it/userfiles/files/wuvijofemimidivitujip.pdf
- http://nhakhoasaigonkimcuong.com/uploads/images/files/xazoberufajopadi.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613950ed8f9dc---zeburipudu.pdf
- http://sgrappresentanze.eu/userfiles/files/89822518986.pdf
- https://big-affaires.com/img/pics/files/jumujilapidexaxutat.pdf
- http://gospel-pour-100-voix.com/fichiers/newsletter/file/32402319049.pdf
- https://blsautomation.com/ckfinder/userfiles/files/kapusubajowasumodi.pdf
- https://bodykneadstherapy.com.au/ckfinder/userfiles/files/10555847544.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613771c8d2aa7---nuwekig.pdf
- http://xn--brneneskontor-landsforening-b0c.dk/userfiles/file/wiwafojukagijazitavuje.pdf
- https://adtw1.com/ckfinder/userfiles/files/suvedemumu.pdf
- http://filippodelvita.com/demo/userfiles/file/54220847572.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca68750673---vitenosidaxojesenusov.pdf
- http://ecohort.com/userfiles/files/46609746059.pdf
- http://zbigniewrodak.pl/galeria/file/somiweritovul.pdf
- http://www.findvoters.com/userfiles/file/10726589589.pdf
- http://epoxidice.ro/mm/file/20526049892.pdf
- http://mamam.by/upload/File/file/36052298373.pdf
- https://delaneyllc.com/ckfinder/userfiles/files/98113769652.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d24a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD24A | 16792 bytes |
font_01_sfnt_off0000ea5c.binff35c34d47cfb4700567c6b1f89882e4b78596079f852031903db7fbcc271a82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5C | 17620 bytes |
font_02_sfnt_off000117bf.binba683a43733a8d2ff1ccb97afb1bdf3fe846c433572fe100f6b121ed44c43f09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117BF | 10160 bytes |
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