MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to numerous PDF files hosted on compromised WordPress sites, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://catbasailing.com/upload/fck/file/68101499859.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092fd962a635---mozokupomufev.pdf
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/3650aff5373f670a21ebd33bfd9a9dfc/vaxanakokapeneki.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b22fafe0936---nijosegogu.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/16075e6fd329e1---31983985612.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a45c206ed8e---73331346561.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/418e837c9ef092263dc2bc15c7f64a65/lakivikinokepemavozepov.pdf
- http://dambi.pl/userfiles/file/rogudobebozasepinok.pdf
- http://nomorecpapmachine.com/userfiles/files/werezimabojis.pdf
- http://amandamaitland.com/images/file/1833137351.pdf
- http://kmkonsult.cz/userfiles/file/kelemasunamige.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/d54a72bceb9831930c6558edff3cbf2d/sumigiraf.pdf
- http://nieruchomosci-swidnica.pl/userfiles/file/69578107720.pdf
- http://topoint.cc/userfiles/fckFile/20210623100924.pdf
- https://pinpointfeedtech.com/ckfinder/userfiles/files/9695997685.pdf
- http://esoftland.com/userfiles/file/lufazuvimeg.pdf
- http://flynewsletter.com/uploads/file/68077938872.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9dbb07b59f---37396046349.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ac599f79f4a---mitakuxixavizotet.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2f1a71dc4---tojopijepowe.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/98e61eacabea119e2d5fe046eb837e58/safunaxel.pdf
- http://dietmoitangoc68.com/upload/files/59170992529.pdf
- http://csc-028.com/userfiles/file/20210625103433_uyw5bv.pdf
- https://damsindia.org/admin/uploads/file/18964892342.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608709e0b49c9---78401082928.pdf
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/018e700338a1e63f453bb5d9e4efb10f/fudakedigeganisor.pdf
- http://labotinnghia.com/img/files/29518685418.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=mobile+betting+site
- 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_off0000fb10.bin8e3d76ca3df6680cd6b213a2880492922e45d2b7de6a56eab76329f42c7d41ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB10 | 16768 bytes |
font_01_sfnt_off000126ab.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126AB | 16792 bytes |
font_02_sfnt_off00013ec2.bin7c07857eaeca5d53a9d454add652da9e4d2a039bd929a228e60ee439a793d4be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EC2 | 10156 bytes |
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