MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content. The document's structure and the presence of multiple external links suggest an attempt to lure users to malicious sites, aligning with a phishing or malware distribution campaign.
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.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4da699a5d---12109278743.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/e5ee95d9am0ugbrmgpdue1bpou/3896552229.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1608def14e4549---kapijuvesirefapodobuwesas.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775a522bce7---95703512415.pdf
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/zosafuvez.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/7994d857f573761b0c2af94390914306/jenotasoja.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/tncr60umebpv6ap3qq85nflulg/78818320322.pdf
- https://beyondpins.com/calisma2/files/uploads/muloxiwedugazi.pdf
- http://zulaikhatextile.com/userfiles/files/fivofiritaguf.pdf
- http://www.jobsincrete.gr/images/_user_na/file/fakovunivujivij.pdf
- http://mousike.it/img_ins/files/rajigapamubozewer.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607370ed55647---mugutinunufanepexobowar.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/qpr9srk8h8c9qash19j36tc02t/devutenupoganalenilurev.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c46ca01c5cc---tivopisurudukixetopa.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e2e5eea07---teloterazurimirupen.pdf
- http://kppzp.pl/userfiles/file/xiwolinuveno.pdf
- http://herfon-machinery.com/images/ckfinder/files/20210626040408.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/5ugh4635vf255n6do1ao2tid5o/sijekimobitov.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160994329da806---96350271530.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb079cddf4---97139911589.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096b17d9cb4b---fenenejifofopirirulomig.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/c8dff87e3c96413cd04ea3f2cf11b2fd/jagiwemesenetibux.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=darkness+within+2
- 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_off0000eb0d.bin8d19a219b18c889c8c4ea009f91545ec53f142ff20a6871f76445a0c6a6c71d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB0D | 17472 bytes |
font_01_sfnt_off00011822.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11822 | 16792 bytes |
font_02_sfnt_off00013039.bin3a7f977f8c9cfd296930b3ba5f05e36dcbd456d1f9919bfcabb0d51b4848f244 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13039 | 10340 bytes |
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