MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document that contains numerous links to external websites, many of which appear to be hosted on compromised WordPress sites or disposable domains. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics, along with the ClamAV detection of Pdf.Phishing.Trojan, strongly suggests a phishing or malware distribution campaign. The document likely serves as a lure to trick users into clicking these links, which could lead to further malicious downloads or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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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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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://garglob.ru/uplcv?utm_term=ethics+and+the+conduct+of+business+pdf+free+download PDF link annotation
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160824879f09bb---3899612635.pdfIn PDF document text
- http://nagyberki.hu/sites/default/files/fck_uploads/file/82286483651.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/55e8d50ee757db5ef9ca1af91e7cca6d/73304146239.pdfIn PDF document text
- http://vralumni.com/clients/7/71/71e0d721b250bdad3664bf54e70089ab/File/lavefigekiraratepuxulum.pdfIn PDF document text
- http://majorpropertygroup.com/userfiles/files/87819876601.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b96b2a768b---dogujelagizoxirike.pdfIn PDF document text
- http://aihyang.com/userfiles/file/dukamexuxewevolog.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608068d784360---pazutiwowomew.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/dd6d591bb058bbee6d2ca0b24d48dee5/82730526334.pdfIn PDF document text
- http://freeski.hu/freeski/file/zobagesolewurikebutekef.pdfIn PDF document text
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608559f83cd65---57301986942.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b763c29322---bojegenifarofovob.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f10b60e8665---xexubidizovupefobade.pdfIn PDF document text
- http://iseveranscopy.com/upload/editor/file/6336973886.pdfIn PDF document text
- https://jasz-pap.hu/UserFiles/file/10602401649.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/3e512ec509e402139fec55e1218bd398/tuvafexefuxanojifatigonak.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/golexegitum.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/92479529410.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/na6bq02livajjv97t1mkcmouai/pugikofaxere.pdfIn PDF document text
- https://3eyamaichi.com/upload/ckfinder_temp/files/20210824003344.pdfIn PDF document text
- https://ruxthai.com/ckfinder/userfiles/files/tutosanamiwuzobanuwefalar.pdfIn PDF document text
- https://amadesafar.ir/basefile/amadesafarir/files/9767297159.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/14247358124.pdfIn PDF document text
- 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_off0000dcd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCD5 | 18844 bytes |
SHA-256: f34044641f35e1d3328fc6889a1d1031aed1e011e246dcbba8cc7d6d4020e66c |
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font_01_sfnt_off00010c0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012423.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12423 | 11028 bytes |
SHA-256: de2dec15ba5e4e422dd0e9450f602d911c9842f6e87fdb7a72fad47495b9a300 |
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