MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many pointing to compromised WordPress sites, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the structure itself is indicative of a malicious lure.
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://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1c79e785b---wibunademun.pdf
- http://ca1970.com/clients/10044/File/82798990277.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b85540180a5---36587645527.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adb418c7784---pezekajoziwad.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d4f2ea0b2---15929170104.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/75be6243e1e4147962cae7f03a8c124b/giniwijuvugemegilinet.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070ce1a424a0---68527760128.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7bdefc3588195a4c491d86f4af7788e6/buxuxaxujepisat.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acab8672162---tenosifaditenilu.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/223794aa5904c485430ac6d60efea7b4/nemavuriw.pdf
- http://apcmagon.com/userfiles/55375271928.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b31974902d---vemadivupezojotirole.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e2d8673f6---namomuwosomesizixadigun.pdf
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/30908525828.pdf
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/607d11d9d007a499d7127d0b7d2bd51d/96517397651.pdf
- http://huntland.hu/upload/file/bumuxepuvozixazajowaku.pdf
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cbc0e54df2---16410560762.pdf
- https://twfern.org/upload/ckfinder_temp/files/20210626144637.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8d38c3796---94692661206.pdf
- http://leebyunghun.kr/new/upload/board/files/77213826457.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0c9164fc3---66304017725.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adad2635ace---lewukuretenuw.pdf
- http://notarbrazda.cz/userfiles/file/pabosop.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad5bbd8451c---59349237497.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=scriptures+on+growth
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/4e48a94050873342ed3c18c84d57a182/73145055065.pdf
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fe94.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE94 | 16792 bytes |
font_01_sfnt_off000116ab.binf076128a3f9414014f6ea0fe9ea66c269592afa9f1a586e49466ccd9bb9bb71c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116AB | 10708 bytes |
font_02_sfnt_off00012f3b.bin1a67c73e71cc6e716047025c96639b8c61a9c10c8dc1c5f6e97751cca1219387 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F3B | 16852 bytes |
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