MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple links pointing to compromised WordPress upload directories and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a lure for phishing or to download further payloads. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086aa80f05c5---ritexase.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/slil6e10li2a2733n07u7umm1r/20621294939.pdf
- http://mu-rrrc.com/userfiles/file/fafosopakalu.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ea1c1a9a2f---kukivurexoparaz.pdf
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/dafiruwifobofelenaro.pdf
- https://asthasupermarket.com/userfiles/file/tigawebidun.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac34e3b57d---rarekex.pdf
- http://mashtalkandil.com/userfiles/file/redorer.pdf
- http://enslev-anlaegsservice.dk/userfiles/file/kubiduzaxi.pdf
- http://churchtextile.com/userfiles/file/vunelu.pdf
- http://instandee.com/Images_upload/files/75165777564.pdf
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/398d946e9a74ff1a34565dc9d5cdb8b6/wewoboninenite.pdf
- http://dgjinhak.kr/DATA/upload/files/202105290850578883.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cc88bd7a430---12554277781.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160971032346ee---86363838470.pdf
- http://africanhairbraidingsalon.com/userfiles/file/lirebileguvifil.pdf
- http://psychologkmalinowska.pl/ckfinder/userfiles/files/vokuxi.pdf
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/d6c6dd1936feaeed90c71725fe5fde38/xisogudozupugukobuxake.pdf
- https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fea760837c---labepop.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/6087a76c78c206cc88cc7b61161a7f93/puvama.pdf
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bde563f1b5---lalavodanax.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607514609fde2---2950576747.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+should+an+in+text+citation+look
- 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_off0000f79c.bin83d23ea59053e007edd7c8f1f8249ae225ad3194fe67fdd97325d6a0775063ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79C | 10740 bytes |
font_01_sfnt_off00011045.bin98f7b3c282d2776500f7dc64b52576ff40fba9bc5dd20c7b8623cca0314e4a1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11045 | 17384 bytes |
font_02_sfnt_off00013ded.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DED | 16792 bytes |
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