MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links pointing to compromised CMS upload storage and is structured as a link farm, indicating an attempt to direct users to potentially malicious websites. The presence of these links suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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 http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b896f91b4a---75954739897.pdf In PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070551ef1c87---nozokaworagotud.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c9154efa8---fupovoxikupiguted.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/pf6mr7688cs18d08hdmg99fkg0/vukuxedubevujinagijumefo.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/lurevitowidumin.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a96451fde---ganufutugilizow.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16077cf7a0efa1---marisewewipadizidisenak.pdfIn PDF document text
- http://schooldistrictservices.com/clients/f/f6/f6ab1571d2cdf5e569af7b76e288b17c/File/zutatigafiv.pdfIn PDF document text
- https://mgogs.com/mgfiles/file/31454193812.pdfIn PDF document text
- https://fizjolech.pl/userfiles/file/64851700413.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/8tg1dk3dcjbe9h49s5d7qilerda8sfbe/70588869765.pdfIn PDF document text
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/a12aef7e3013a8880ae7ac00db260d09/37166378615.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612c2eca41bc3---35162390679.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cb754a28e98---49792473428.pdfIn PDF document text
- https://needlugs.com/userfiles/files/71757065827.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160befe3653ec3---80108608355.pdfIn PDF document text
- http://briztravel.com/upload/files/56398725651.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/8a99ad002641d80cd261bf4d6f7aa6c4/nolafemiwopopitijub.pdfIn PDF document text
- https://seerupit.dk/assens/file/luxibo.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/db62d91a829f8ddb453b7c74499412b3/gaxugeseb.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/pf4umfhiinarlb3hh13t8ec7a7/regevafo.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/9jotmo5vqmm281bf8jg6albbp5/tixuwebuzopaladu.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/7j4mcb6aqc0vnbuo0ehrktmsla/wenatumowibami.pdfIn PDF document text
- http://thunderstar.cn/userfiles/file/20210526031102858483447.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=jee+main+question+paper+2020+pdf+with+solutionPDF 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_off0000df45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF45 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f757.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF757 | 17556 bytes |
SHA-256: 55d7cc8bee5e25a9f8fd58cee74d62eb6a731e45efb807ce7c839cb96293c636 |
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font_02_sfnt_off00012493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12493 | 11328 bytes |
SHA-256: b042c1a3b7d860818936b9d380943eabcc38199fb3384491f471d36a60aa0475 |
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