MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. ClamAV detected this file as Pdf.Phishing.Trojan, and the ML classifier also flagged it as malicious. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the PDF as a link farm on potentially disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/69ca2c2aa99827c896f5f5aeed2d7c1a/wusofud.pdf
- http://hchs1972.com/clients/2/2c/2cb73362227bcfbd3ed6ae01b5b3dc46/File/79534195073.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/6eafa419f1741f4e616e183008ca4ba2/zemilizigozixopexakataxi.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607043bc7c44d---luxezofula.pdf
- http://dansecyr.ca/pdf/file/nixukapa.pdf
- http://bawaconstructions.com/editorData/file/16658299020.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f745f3ba427---texapugapufopirajil.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/kpfu9dtcr78ctgrbpsodneqssv/mogilaguzoxenegupidem.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160890c4f646ab---57432017637.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607da22d756f3---81022044820.pdf
- http://nwatchonline.net/userfiles/file/58875797774.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf9da2dc1e4---muxipowedubonurinize.pdf
- http://stringquartet.biz/web/images/fck/file/9577745935.pdf
- http://rheinmotel.com/userfiles/file/83384689483.pdf
- http://harrisonsfamilyreunion.com/clients/62911/File/52024529585.pdf
- https://amadesafar.ir/basefile/amadesafarir/files/5115478977.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5d15e5ad2---vakepilogagidezuromaz.pdf
- http://texasstatealphaxialumnae.com/clients/f/fe/fe72632f573fdc77cca6b85875c63e8a/File/54484909917.pdf
- https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082559a4d75d---80220394927.pdf
- http://www.chatanakonci.cz/userfiles/file/vexovomugufalakiwanonus.pdf
- http://eko-inwest.eu/upload/file/bibanewavo.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609698e37aafe---12188467529.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070e6d854f04---26133880173.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9523d36d4---xefuxebawuwonavugukisejo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=functions+of+marketing+information+system
- 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_off0000f96c.bin2355ec7ead5f85265b3acce8a36f9f4b1ffd80e949076e841785a5979292b8e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF96C | 16536 bytes |
font_01_sfnt_off000123e6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123E6 | 16792 bytes |
font_02_sfnt_off00013bfd.bin89b13024e2ae37896a845b25ba6ef324ea447c4e02bda17af6d18c0c8c138375 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BFD | 10916 bytes |
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