MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to websites hosted on compromised CMS platforms or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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://clairerolo.com/userfiles/file/87034641386.pdf
- http://palmdale.thepokeluau.com/uploads/files/rubegetedaw.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161507fa6ea546---rexijoketi.pdf
- https://ahreco.com/uploads/news_file/18863297669.pdf
- http://fcraregistration.com/UploadedData/file/44312231040.pdf
- http://immobilieninvestors.com/userfiles/file/vipivinowebixi.pdf
- http://studiochiodo.eu/userfiles/files/sumolobuwoniluferu.pdf
- http://royalgroup.at/tmp/wakemuposikibazazuwaro.pdf
- http://lerucherdesanges.fr/userfiles/file/wuwawakugu.pdf
- https://penzion-palice.cz/content/tosegusugagif.pdf
- http://asesoriazabalburu.org/azaba/files/file/18282012432.pdf
- https://accidentmatters.com/ckfinder/userfiles/files/29143384228.pdf
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1614c38961484b---kofuza.pdf
- https://detskeihriska.eu/ckfinder/userfiles/files/xarobalugupok.pdf
- http://epicridesnepal.com/files/kiroxepibo.pdf
- http://kssi.ir/public/userfiles/file/26344119592.pdf
- https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/47749589018.pdf
- https://kimcert.org/E/file/jamabumabawufexutiwe.pdf
- http://windmill-bv.com/userfiles/files/14221194006.pdf
- http://palaciodelosnavas.com/userfiles/file/sajovatoviwaxufesuluv.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1614fb99e2f2f6---57431259898.pdf
- http://neoneophytou.com/ckfinder/userfiles/files/21099130279.pdf
- http://miydz.com/mingyi/images/userfiles/file/kobobotun.pdf
- http://rent-lease-no1.com/userfiles/file/20210919220404.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/3e177697edc725fd887cdf69fc39ad11/zikosavasi.pdf
- http://sushifactoryazusa.com/uploads/files/segewawipuvev.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=genymotion+free+download+for+windows+10+64+bit
- 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_off0000b4e3.bin3e3704ea97deb941dd1f0aad0eb014b66ea8633e51a883f3b563697c2dd23f90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4E3 | 14948 bytes |
font_01_sfnt_off0000dae2.bin1cefb50df472d3de4bdbcfe9f7b5a627fb8619e204ddff07a51754e128da5642 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAE2 | 11316 bytes |
font_02_sfnt_off0000f5a5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A5 | 16792 bytes |
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