MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm designed for SEO manipulation, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' confirms the use of compromised CMS uploads. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to phish or redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dde78108fab---37066446335.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce769cd5d80---638798070.pdf
- http://nutronicltd.com/userfiles/file/31146442556.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bd2ad7e670f---52724215436.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/d8ae5r53q2a66uttri4uh2gt73/28656147244.pdf
- http://funkyspa.net/ckfinder/userfiles/files/lubaj.pdf
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/528857e9fc9ca45d81802d60cf4543f1/70346291087.pdf
- https://micro-churches.net/uploads/file/14707036575.pdf
- https://bloomeng.com/uploads/40348495885.pdf
- https://fertilizergranulatorprice.com/d/files/57537028593.pdf
- http://acpiindia.com/userfiles/file/vujifakifokofexalomo.pdf
- http://brenna-ski.pl/userfiles/file/lefomenideritujabapu.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607e96e2946ca---69055995003.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c3df1f7b305---7326464752.pdf
- https://peilimineko.com/userfiles/file/pareboki.pdf
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160d5a4e4506ba---3575996515.pdf
- http://sport-way.ru/img/file/zawupakarerulasuganixiga.pdf
- http://precedent.by/_newsite/images_from_html_editor/file/zivetetanegezus.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf275997e2---xofawubigamikonamon.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e64b41399e9---sibujaket.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca2a31cdf1f---tivirirukigovof.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d5c4dc1b1---86113795438.pdf
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/ee0gok8h501i3vcuh2ef74rsbl/36381684565.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb742cbaee---72016794257.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=house+lease+agreement+in+tamil+format
- 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_off0000e5f2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5F2 | 16792 bytes |
font_01_sfnt_off0000fe09.bin0854c9b61342f26d62a5fbfa7ded94c51963ddd451b6075b3629d857339afcd5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE09 | 10648 bytes |
font_02_sfnt_off0001165f.bin39abb306c3b037aa80759904c42fd9a5ba96a20d0433f704e44263447d7ff472 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1165F | 17088 bytes |
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