MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or malicious content delivery mechanism. It contains numerous external URIs, many of which point to compromised WordPress sites utilizing the Formcraft plugin for file uploads, suggesting a link farm designed to distribute malicious payloads or redirect users to phishing sites. Embedded JavaScript was also detected, likely used to facilitate these redirects or exploit vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ac171d1f36b---doxil.pdf
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160ada7e95fb1e---xowuzugakemikapi.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d1ac0d5dc65---zapaxivezusiwepuxafel.pdf
- http://3bbb.fr/ckeditor/upload/files/sepotubum.pdf
- http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/89203571533.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/pfu0lm2aje3qfc57v3fu3toib7/jaregamo.pdf
- http://allamericannursing.com/userfiles/file/69675014355.pdf
- http://gayaarchi.com/userfiles/file/20210609044636.pdf
- http://dolphinegypt.net/userfiles/file/rarenevuwemororewewejefif.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1d72cf0f86---99981343755.pdf
- http://bygreenpure.com/userfiles/file/sagadekekoraz.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6af219bf1---64535931372.pdf
- http://amadpich.com/userfiles/file/wevuzumizolopu.pdf
- https://audreyheselmans.com/_files/file/14394347069.pdf
- https://damsindia.org/admin/uploads/file/gijalidezurit.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5467fe7c22---wuxutofuj.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/53619c7221442fa786a1873011f59e29/60365781489.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1ee62e0d9---29260687228.pdf
- http://1137.jp/app/webroot/js/ckfinder/userfiles/files/sewur.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9132c281b---jiwanezopixawu.pdf
- http://wu-pao.com/upfiles/editor/files/lafodiropobezigadoke.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/qi124boo9nups2daqq28913ffg/kagipegomatijif.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/5bf15364d8701615b2bb6f5844078614/wojusekotobexumorojebano.pdf
- http://timebank.ru/sites/default/files/photos/pagefile/fasomilojiwesixirodasu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=first+zero+and+second+conditional
- 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_off0000cf37.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF37 | 16792 bytes |
font_01_sfnt_off0000e74e.bindf3636d9c38e159521575144471b05f4926cbd229b3484c4cd0ff8599b58b168 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE74E | 10400 bytes |
font_02_sfnt_off0000fefe.bin100060ae7d66d2a10eeb171290fff81126687c42c151684d8d3c64a049f0377e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFE | 20408 bytes |
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