MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm pointing to multiple compromised CMS upload directories, suggesting an attempt to distribute malicious files. The presence of external URIs and a link farm on disposable hosting indicates a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9945
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://allytemp.ru/uplcv?utm_term=download+human+fall+flat+multiplayer+android
- https://www.latentoac.com/portal/wp-content/plugins/super-forms/uploads/php/files/bd4ma8p4lfgl4quuu9o1qsb5u9/70443475211.pdf
- http://nfc.soo.jp/file/18550144642.pdf
- http://playitdirect.ca/ckfinder/uploadfiles/files/kibepizumebi.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/0710tu20mdc7vkk5asm0aai5h4/42565342142.pdf
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/28245cd11a5a1aa20bda3ea97fafc2b3/40306524912.pdf
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a58d4ee6eb1---36241903927.pdf
- http://petraifevronii.ru/ckfinder/userfiles/files/kedef.pdf
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16078a56115f00---zadaded.pdf
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607db4a40787b---87382131615.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/d76490be79b69c92772ac28b78e0ceca/rudutazafarufawojasapif.pdf
- http://ed-web.cz/userfilesfile/zitavubabizagiv.pdf
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160bb55e4d7e6a---valawuvewedidopid.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/pstsmpvjqc0uqbdsppfgm453b5/xipuz.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/2jbi3our56fs2dseh6s4ft7o74/37657764560.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16073f90e60dab---52276218459.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/933a9668a47085fc3f018afb8dab30d4/doxawonifabajodabonevebu.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb68cca4db---21745994325.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070f503e1dcd---58142963222.pdf
- http://udemadriatic.com/userfiles/files/namikax.pdf
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/7cc5a307fd8858e26b105b3536e9e1f8/51030562678.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/71f7tit0kso1qrovrpku5iq3a1/51363098328.pdf
- http://3sdent.com/upload/files/mudovekaxuxamer.pdf
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d67cd5d3e9---wevaxapazifegusuma.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_off0000fb07.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB07 | 16792 bytes |
font_01_sfnt_off0001131e.binf18fbaaa94c6b4f4a1794442dc62ad532f1469963f669ca5e55b839c5b91b7e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1131E | 10896 bytes |
font_02_sfnt_off00012c22.bin151b065bd8b2a2ba61225b3f3a82c9a5f871ea3d0348c86902901c89f16ebab5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C22 | 29384 bytes |
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