MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the nature of the link farm and the detection names imply a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5f6b39742---73050087305.pdf In PDF document text
- https://tavio.ru/files/file/pidatetijuzim.pdfIn PDF document text
- https://carlojans.com/cms/file/32897787906.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baaa9419dd9---fomobenozesiwenamal.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608843fddec6e---45116364722.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfc218e2fa6---2868098609.pdfIn PDF document text
- http://awkontrakt.pl/ckfinder/userfiles/files/rereji.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/0cb0ee8f22970b540c4fe2c179823365/30707986636.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/81vtjsoijghd4r15ciugsh381h/75139287055.pdfIn PDF document text
- https://szekszardportal.hu/userfiles/file/deluluwenazolojobesezod.pdfIn PDF document text
- http://bollywoodsalonskokie.com/admin/images/file/dapamoxonuzut.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160afcc23a136b---91537590008.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073173f3bf9d---xatokep.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9442a19e7---7969203448.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16078710eaf3ff---88895328582.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d03a7656320---virabijebowenemobo.pdfIn PDF document text
- http://staresecurity.com/userfiles/file/21828538445.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/438e3juphg2nh6en0lhr2j59vl/xexozivuvon.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c681958b35---vidazamazubexunijojow.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/79d24778fadb9a654d665b3b27c6fcfc/bunopopulapelevofirepe.pdfIn PDF document text
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607281a0878fa---divanuzelotufixunagu.pdfIn PDF document text
- https://www.nuyew.academy/wp-content/plugins/super-forms/uploads/php/files/cdbd4890f6bfb76da1f7785deaed07a4/vikokogisebugofakojo.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/9b8a06fabfef857d80663bfd02ad67ae/donoxukavugoxun.pdfIn PDF document text
- http://dralituncer.net/userfiles/file/69080422213.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/nillqq3nmmq5ttt8v6ejc84mt6/fuvaxixudurajofaposoj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=tomales+point+trailPDF 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_off0000ef38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF38 | 17120 bytes |
SHA-256: 5010b6f4c630976ece4e6897226dc013d55b1890a1b343c3fe62b456bc2bfa24 |
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font_01_sfnt_off00011c1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C1C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013433.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13433 | 10376 bytes |
SHA-256: acc40aa628a5ec36b91b6bcd014b4526743d4771883eedb5193f085aabefe9c6 |
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