MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised websites, suggesting a phishing or malware distribution scheme. The presence of links to compromised CMS upload directories further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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 https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7c7feeaf4---vewoteleladepal.pdf
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/318121608c4429f70e9c47e1b2527ccd/51053641640.pdf
- https://himalayanwanderer.com/himalayan/userfiles/files/topowawojemak.pdf
- http://eiak.org/upload/editor/files/puwowalozuke.pdf
- http://ahoba85.com/clients/2/26/26d353b61ac95a99d7df5001a3d58300/File/53160575509.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/72f23bca6a7011833663060c017f7737/12093193753.pdf
- http://bobiniauto.com/userfiles/file/lewuxozamowukomamuvi.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085f8a66c223---donarenabujusib.pdf
- http://a-kamen.com/userfiles/file/wokuvoxuzejumijerunalal.pdf
- http://bloomx.com/sites/all/sites/bloomx.com/files/kusalesevotexo.pdf
- http://www.juniorcollege.cl/ckfinder/userfiles/files/69227532512.pdf
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/49eb48a7c02c03865778fe03ec55146b/jepunokufo.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1608304b51c4da---jukewebivafabofekaf.pdf
- http://ankaser.com/userfiles/file/34702982934.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b6022adecb4---kekuve.pdf
- https://fibaquitaine.fr/cebatrama/userfiles/files/wirof.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb46c2de5e---loganuw.pdf
- http://aiskreunion.com/clients/b/b4/b417c2091670ce0b0d78f4b231aea02c/File/namije.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071dbf2aed99---4569603679.pdf
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/e8119bb267514627a5a8a60e52377845/tefirifunaratojefab.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160855b4b5a004---55023784691.pdf
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160978bac1286c---jifalix.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=lord+i+lift+your+name+on+high
- http://s292376414.onlinehome.fr/datas/imgmail/file/47486374131.pdf
- 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_off0000cd8a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD8A | 16792 bytes |
font_01_sfnt_off0000e5a1.bin5da392ccc022f2c12a20f70dfe35ae91c800db6b711f79fea8dfd1f92ed0e8cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5A1 | 10804 bytes |
font_02_sfnt_off0000fe15.bin79b613d84376c74be5ca483650cfc2358b924a00241d773492f52c017fe6f53a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE15 | 17252 bytes |
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