MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised websites, suggesting an attempt to redirect users to malicious content. The presence of link farms on compromised CMS uploads indicates a tactic to obscure the true destination and leverage legitimate-looking infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/f056b763966e082844287129732d976a/ziwarokigotozezaxu.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841d20b438b---bipuxopobikunejibonilifuz.pdf
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/s5qqtoci2m7tk9bg91rq197h10/26826689067.pdf
- https://gkia.org/kingkong/userfiles/files/56859572830.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/01qnjgumljpbdhadbmkd1ll1l6/59518879426.pdf
- http://www.findvoters.com/userfiles/file/72885413703.pdf
- http://wintec-samu.hu/uploads/files/23803217483.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1606f79a1a85c3---16504581557.pdf
- http://garmagostaran.com/Upload/file/bomewixumowubarira.pdf
- http://teakdeck.pl/files/file/92748802887.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/e4c2f010b9e95e6eba5cc1b05f48c93a/zipelanasilepilop.pdf
- https://hostsolutions.ro/app/webroot/files/userfiles/files/mizuzelipatilusije.pdf
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/22a6384f194decbcc2c7789e390bec18/gizonuvuvifiji.pdf
- http://ecohost.ru/pics/images/file/14562084693.pdf
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/a0e7f068ce03580b41bd47c427c9bc8d/42324394392.pdf
- http://dokturmice.com/ckfinder/userfiles/files/xanegozefatid.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160772e4857a73---bojudabigigibatavotepedus.pdf
- https://marblobathware.com/app/webroot/img/files/15843661318.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1608744fcccc60---93844393455.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b62c31c2d24---rapemovudigumo.pdf
- http://akinmedical.com/uploads/file/86074055582.pdf
- http://chinajessie.com/seadata/data/uploads/img/file/162247794836.pdf
- https://djennebeads.com/nbloom/fckuploads/file/jikewituvivevokafox.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a46d3ee8112---bepomofis.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd7b0435a1---kurefiwanovifedimipe.pdf
- http://anshan56.cn/userfiles/file/16257606231724395803.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160895e3842e9a---755262184.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=pilates+exercises+to+avoid+with+sciatica
- 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_off0000f105.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF105 | 16792 bytes |
font_01_sfnt_off00010917.bine6232043c7d1afa77d270fead369f32927344d1c706a4959d9565eaf30f6bc2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10917 | 16696 bytes |
font_02_sfnt_off00013448.bin7a5767e552cc3834b5be52ab8691f208453f0a43dcbd9f1aea71aa7476a75013 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13448 | 10616 bytes |
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