MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites. Heuristics indicate this is a link farm designed to direct users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/92e69ee805e30ef50a39687306da7da9/badafusojamulalizimodilaf.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160775d3ac30fb---rowaporasidedir.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6d32d1326---zarero.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/7er0av6b2nfmrnm58p3s4qdf98/piromexorumejasotikezol.pdf
- http://hum-lucknow.org/test/fckeditor/file/87923550138.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160cfd35a39e35---rafovijijejuwadubop.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc2f349a424---gepibub.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d5ed266dc0---fugubitomufovukevukig.pdf
- http://a2itsolutions.com/chop/multimedia/userfiles/file/50211240423.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a541bcc20b3---30221633359.pdf
- http://cezanart.com/userfiles/file/xekaribenejogozipedej.pdf
- https://vivekanandbawwa.com/userfiles/file/nekozasafu.pdf
- http://www.mostex.sk/files/articles/file/vores.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5d1cde5cc0---48508356.pdf
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/14f8cf1ef98d26bc8252930799ec34ec/90833003997.pdf
- https://przyklejki.pl/userfiles/34545142100.pdf
- http://austria-ex.com/images/blog//file/93916709258.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7ba582fb7---55687866484.pdf
- https://mps-india.com/userfiles/files/sewazedelirevoganim.pdf
- http://charontrade.hu/data/file/51321466655.pdf
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16082e18911b8f---tekawod.pdf
- http://appartenvue.net/appart/upload/images/11051296945.pdf
- http://ipceurope.com/assets/file/relegopedefijixe.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=couscous+with+chickpeas+and+vegetables
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef4e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF4E | 16792 bytes |
font_01_sfnt_off0001075b.bin28c5bcedffb0f63c0f18ed07264126f7c833899b916de9a351f9850be7cb6bae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1075B | 1696 bytes |
font_02_sfnt_off00010f67.bin48da8fdaba6cac15c53bfd9d43250d56354bd762d94fdc17ea4575eeacef116c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F67 | 18228 bytes |
font_03_sfnt_off00013f76.bin5763d5679085abeb68faf45c24eda51bc3a9134c42b13ddf1352faeab9c95fcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F76 | 11208 bytes |
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