MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple compromised websites, likely intended to trick users into downloading further malicious content. The presence of a 'Download' button heuristic further supports this phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://jfac.kr/ckfinder/userfiles/files/bisaladigipulawubow.pdf
- http://amexeuro.com/an3_Uploads/file/bozufakesafugogopab.pdf
- http://ji-tien.com/userfiles/file/95406568556.pdf
- http://greece-ex.com/images/blog//file/57807367885.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dab08d9dd9---42266658653.pdf
- http://apexhealthnutrition.com/newerac2c/userfiles/file/tulutixodesefoniwudogewep.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160796086448d9---15872679348.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/55bccadc445fef8f0a1780f725da6239/90264145471.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/e0e97fc3037d474f496954adccb3d7cb/kimok.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/33744a1a5aaf3adad31fbb358f57158d/20548912244.pdf
- https://dijitalsanat.link/upload/files/pexemiki.pdf
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/ef9f07edd174d92b468da0da7f1e6a46/73296422242.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607539fd3bd08---jamifuxotowedidosulezu.pdf
- http://beergolfers.com/blog/images/file/joredo.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d222b86ba3f---sisifupofiwirijan.pdf
- http://flagrant-desir.com/userfiles/file/serizetasilepire.pdf
- http://chaitraglaze.com/uploads/pagexipadafobixum.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/ba4f19c13edc5c8845a4869b62fd85bf/91254963486.pdf
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/475b4397143679c0e79352de23cd31a1/wijesuserojevine.pdf
- https://sambelteri.com/contents//files/55573127022.pdf
- http://kingsfinancialconsulting.com/userfiles/file/98480289058.pdf
- https://am-system.eu/ckfinder/userfiles/files/ripalewogowebufudewiwulav.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca038120900---badixatukavut.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/d5af8307f6acc18ac33b4254a01dc8ee/18386630866.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=pokemon+diancie+and+the+cocoon+of+destruction+full+movie+download
- 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_off0000d4b9.bin714b5dd3837af80620bca3c46f6929c3e489d3e0216f8fa8fd04ae99af3aa0d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B9 | 11084 bytes |
font_01_sfnt_off0000ee6e.binfbd20679d9a3596053ff3f6382a5b3c72baea46c0f24d4c669e1006d196f0c85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6E | 17764 bytes |
font_02_sfnt_off00011cd5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CD5 | 16792 bytes |
font_03_sfnt_off000134e2.binff19347d6a66a0556fcbcae4508f1b497e4423c7c34f651c0d813b67486ecb10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134E2 | 4036 bytes |
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