MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress upload directories, acting as a link farm to disguise malicious downloads. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a phishing or trojan payload. The presence of a visual download button further supports the lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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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 http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753a3d44f28---xamasakumasigepuz.pdf
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/3abc2d966c4ce55e75c57eb5ccf65a54/58576828045.pdf
- http://renovator.cz/files/file/fagaloxabaxesubefamuta.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb72cda141---nupaduzazudopo.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac75e486597---xevevemeselujuleveravora.pdf
- http://20thhelicoptersquadronreunion.com/clients/71358/File/jelixijeduxawod.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087e2ad6d5f6---walifobixebe.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/5612348d66b65fdf83c2a0d496d76713/mozivirowidep.pdf
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/6h4pus8549k0bj2hrs7qe64chs/dugeti.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6eefce298---zezowodafolopisorufoke.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/ce6a3945ccb02822ceb234b1e3294b2a/tutilowisopesorexakuwupu.pdf
- http://womenshealthcarenp.com/clients/2/29/29a32d4da59f0b4eaa4573e1354aeabc/File/77928414264.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/f44359ede0fa157fab057c4f2d3219af/40830696607.pdf
- https://bdcomunicazione.it/file/sidibulemijegokaz.pdf
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/q6jh6v322qpbdf8ka42bb0nfa6/43826535124.pdf
- https://bloomeng.com/uploads/lelemataf.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/ei8n8f6ltjd1o9hkvhkoi0c33a/lomilusuteru.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/f185b5d37288a8cd67415f1a23d0862b/nivatisufawisamu.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/jg5im6ivjuao2m2ua2mtpfmmpa/37489169641.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f98b8778ab---72550927460.pdf
- http://ankurgroups.com/userfiles/file/10106973559.pdf
- http://owv-sad.de/userfiles/files/61884855705.pdf
- https://bd-sokolovska.eu/userfiles/file/55911846812.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8435f7cfa3---85677321106.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=super+deluxe+movie+download+in+tamil+isaimini
- 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_off0000f7b1.bin3508f4e32c055e2dde888bc77f3a918a39fdba2dbfc6d372f6667321be2fb5ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B1 | 16828 bytes |
font_01_sfnt_off0001239b.bin7439fe18af1f3d5c253f60c10b73775a609d9e9b642ebd40d396c799f755687f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1239B | 10980 bytes |
font_02_sfnt_off00013d1c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D1C | 16792 bytes |
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