MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1071.001 Web Protocols
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a security-bypass lure. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 8
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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 https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706a638d8fc---juduramumarogobu.pdf In PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/7dslvuta1vu6sqsj4juovc7e36/gafexebubug.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8a14f9431e---mekogopeje.pdfIn PDF document text
- http://domholidays.com/userfiles/file/dabeweneza.pdfIn PDF document text
- http://medi-sen.com/files/files/31399886215.pdfIn PDF document text
- http://mountcalvary76.com/clients/9/90/9062e1c9f2360b2cedac6e2854879500/File/11651851082.pdfIn PDF document text
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719032de503---34127073313.pdfIn PDF document text
- http://brainbond.ro/userfiles/file/98059184790.pdfIn PDF document text
- http://urbancollab.com/userfiles/Proj_Name//files/dojev.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/d0029fe4c457c783ab87dfe1e6a2d279/ropulazarijariwu.pdfIn PDF document text
- http://isagenixmakessense.com/ckfinder/userfiles/files/naralatedavi.pdfIn PDF document text
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/c0r4irt5jgl9eing2plqt79iv5/96360082031.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098474b2e786---tibagizem.pdfIn PDF document text
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gatiwokipixis.pdfIn PDF document text
- https://abofahed.com/userfiles/file/dukukewiwosipexogugipajeb.pdfIn PDF document text
- https://vntdc.com/upload/fck/file/6058194887.pdfIn PDF document text
- https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/81065532763.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607faa0353b17---nezuzetet.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607aaf82ed1a5---rotugevitojanasuwewade.pdfIn PDF document text
- http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/74206915229.pdfIn PDF document text
- http://placc.info/up_image/73476327300.pdfIn PDF document text
- http://kutscher-customs.de/gfx/userfiles/files/95616186997.pdfIn PDF document text
- https://angkalaris.com/contents//files/52179549217.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/trkc25bg75hepavtjj5tonf5b5/toxalizajosuzutuw.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=bfme+patch+1.06+all-in-one+installerPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f13e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF13E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010950.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10950 | 17384 bytes |
SHA-256: cbb5ec956af44f39acb7f706b756c3120291fe415aa467e98d21111a01284f17 |
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font_02_sfnt_off000136f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136F4 | 11240 bytes |
SHA-256: 87717d85a1e443bfa5f37a12d07443fe28605ee470d09cba61fe60d6190bdaa9 |
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