MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external URIs, some of which point to compromised CMS uploads or disposable hosting, indicating a malicious intent to redirect users. The ML classifier and ClamAV detection strongly suggest this PDF is malicious, likely serving as a lure for phishing or to download further payloads. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or initiating malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://zenithservicos.com/userfiles/files/wubunumi.pdf In PDF document text
- http://dentalclinicbangalore.com/uploads/4565877607.pdfIn PDF document text
- http://villapellegrino.it/userfiles/files/8881019263.pdfIn PDF document text
- http://cardealer-space.com/js/upload/files/96749058746.pdfIn PDF document text
- https://fleschimmo.lu/userfiles/files/37541251876.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/3fa7b4d8e5da3ee45df0e247a6b96603/16941614838.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16135c45ee9f75---weziduxeliguzinivo.pdfIn PDF document text
- https://fivetc.net/uploads/files/mafozazujigebuvule.pdfIn PDF document text
- http://alarm.pl/userfiles/file/13033537514.pdfIn PDF document text
- https://alebusph.centralcms.cloud/galeria/files/galalijiwozunokaralapisi.pdfIn PDF document text
- https://leganordavigliana.com/uploads/file/kubakejuzotedixebexagera.pdfIn PDF document text
- http://zhfangyuan.com/uploadfiles/files/91476208325.pdfIn PDF document text
- https://cissud.it/uploads/ck_editor/files/43214473086.pdfIn PDF document text
- http://impex-italia.it/userfiles/files/13626033705.pdfIn PDF document text
- http://fujiya-burbank.com/uploads/files/golamotizabof.pdfIn PDF document text
- https://www.ftha.org/admin/ckfinder/userfiles/files/80172147553.pdfIn PDF document text
- https://wecareu.net/ckfinder/userfiles/files/fepedenavu.pdfIn PDF document text
- http://avtokapriz42.ru/userfiles/file/54368493447.pdfIn PDF document text
- http://ventexevent.se/uploads/file/dagin.pdfIn PDF document text
- https://techlan.pl/files/file/82904807048.pdfIn PDF document text
- http://ambulanceservice.pl/userfiles/file/zixotinobok.pdfIn PDF document text
- https://saptabangunmanunggal.com/indomobils/upload/file/76440217424.pdfIn PDF document text
- http://xn--oy2b19v1mb1yi.com/userfiles/file/12664983197.pdfIn PDF document text
- https://cdmsig1.com/ckfinder/userfiles/files/vakuwebujile.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/161353e5df1aa8---20707675967.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=android+app+designer+toolPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED35 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001054c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1054C | 10548 bytes |
SHA-256: 0224adb18581edc35f48cc030e52505523c6d9ec69ff221fabd43fe3df3e81d0 |
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font_02_sfnt_off00011d38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D38 | 17168 bytes |
SHA-256: 60bf8a9638c6d7a08d1d6971247dcb220ede8b28af95897d5088dd0acdfdc545 |
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