MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document's structure and embedded URLs are consistent with a phishing lure designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/4gb3dkjdg22t4j5rev1t1uq7eg/75954228373.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b93bd36ae64---94442718831.pdf
- https://daquin-ferriere.fr/userfiles/file/23813888972.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/da8514ac47cebf7834b42c68d6f737a8/80083829565.pdf
- https://irisapp.cn/uploadfiles/fckeditor/20210610/file/16233079216102.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/6352a6040ca054ce60e7ccf49c900e96/31149927390.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16073c17556150---jolaxilujoravupel.pdf
- http://ahlhy.com/uploads/file/281025085314.pdf
- http://kimhoatra.vn/upload/fckimagesfile/tomovozujulutivuno.pdf
- https://aslimitada.com/userfiles/file/25679632101.pdf
- http://romanakladatelstvi.cz/userfiles/file/57730568551.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bdde61837fa---vejurajined.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/6815007afa16444427dff3dcde0000f5/lisaruzoro.pdf
- https://rabudiagnostic.com/userfiles/files/48768608745.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/u06isfvl3cr765gmtsbai4msp7/28663242674.pdf
- http://nuovartea.eu/userfiles/files/legujatewep.pdf
- http://fonnepal.org/userfiles/file/85028752412.pdf
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/60fab39d8c99ced3b5472edb0b0dc1e3/xixedisiwe.pdf
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/34e75846fed3cfdcbc14a439da7d88cb/8903802615.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/f3517237ae31f702c51fa7f3d764de7b/12922604174.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/1loisg277p3rcfuho5onfrjtqs/viwirez.pdf
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/7b72248fcfdc0771cde4ed6aa010d6ab/91185698638.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=i+started+stuttering+out+of+nowhere
- 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_off0000e76d.binb1e38cc9cb46809c3e9098be067aef6de806f62206ba21f3f1094e247cc9ebd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE76D | 17292 bytes |
font_01_sfnt_off00011466.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11466 | 16792 bytes |
font_02_sfnt_off00012c7d.binac145e7020da85dd8150ef9c6b2c66b16c9eba36a242e358c053d962ba0e08cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C7D | 10724 bytes |
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