MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS uploads or disposable domains. The presence of numerous unknown URLs suggests a distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://jiin-torng.com/uploadfiles/20210913175733.pdf In PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161444ab5c43b7---mesezeratilor.pdfIn PDF document text
- http://k-souz.com/userfiles/file/89392196141.pdfIn PDF document text
- http://cjcounsel.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vajavolitunipelefikon.pdfIn PDF document text
- https://bda.ch/ckfinder/userfiles/files/50160563239.pdfIn PDF document text
- http://frankifoto.com/uploads/pages/files/77672996571.pdfIn PDF document text
- https://khabul.mn/mmpa/userfiles/files/12703477333.pdfIn PDF document text
- http://fd-health.com/upload/ckeditor/files/pipiruvifete.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/supimirozojade.pdfIn PDF document text
- http://www.europesolidaire.eu/userfiles/files/tutitarujowakolujawokinum.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16131bce64a1e1---7641981389.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/16147db2026965---menojidegumedagelibar.pdfIn PDF document text
- http://akbarestate.com/survey/userfiles/files/76728265495.pdfIn PDF document text
- https://alistairmills.com/ckfinder/userfiles/files/86658050696.pdfIn PDF document text
- http://ipsaix.com/ckeditor/ckfinder/userfiles/files/89471214569.pdfIn PDF document text
- http://plaschke-partner.com/uploaded/file/wupibulofefon.pdfIn PDF document text
- https://akvaguru.hu/user/file/90593145028.pdfIn PDF document text
- http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/12107549964.pdfIn PDF document text
- http://vin-baietii.ro/ckfinder/userfiles/files/84886570299.pdfIn PDF document text
- http://resheto.ru/users_images/fck/file/40475101280.pdfIn PDF document text
- https://brigitte-farner.ch/userfiles/files/sajaxir.pdfIn PDF document text
- https://copperscraphandlers.com/ckfinder/userfiles/files/suvafamupedenujep.pdfIn PDF document text
- http://kapsalonvogue.nl/files/file/novawuki.pdfIn PDF document text
- https://aprilboya.com/userfiles/file/jakulojadufaben.pdfIn PDF document text
- http://dbexpertise.fr/catalogue_dynamique/file/58332480121.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=face+chat+lite+mod+apk+downloadPDF 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_off0000d4e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4E8 | 10664 bytes |
SHA-256: 9928fa5a371292d5c78c35fa4168937c8f620448c0dd091a16dc79877351ad51 |
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font_01_sfnt_off0000ed26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED26 | 17256 bytes |
SHA-256: 46d9cdb228bc2676648cc504c4006f2757c307d79ba207ae402efbf4d4a34898 |
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font_02_sfnt_off00011a50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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