MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and link farm heuristic indicate a phishing or malware distribution attempt.
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 http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160845a3363fdb---9690908772.pdf In PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160fe6d3090145---guludepifojomuvov.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef60c7595f---tafizumizakinozo.pdfIn PDF document text
- http://apple888.vn/luutru/files/29388694049.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093129e75c46---23318535983.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160f39901e064e---vidonew.pdfIn PDF document text
- http://hasanmasat.com/ckfinder/userfiles/files/zodunuxer.pdfIn PDF document text
- https://truonggiangcompany.com/userfiles/file/61481526776.pdfIn PDF document text
- http://jatyn.cn/upfiles/202109/file/1630770704.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/2496111979.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/7577ebcf69ba7bdfa1d73819da3247c1/25861293530.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/4bopmhljh93987aufnp924667u/jexoda.pdfIn PDF document text
- http://savalis.ru/userfiles/file/54929550061.pdfIn PDF document text
- http://chothuethietbi.info/img/files/47297946720.pdfIn PDF document text
- http://salonorganica.ru/upload/files/meramasumatekati.pdfIn PDF document text
- http://alrabbancapital.com/file/files/623975143.pdfIn PDF document text
- http://lamorenj.com/userfiles/files/tivefuxekowinebet.pdfIn PDF document text
- https://alnahamgroup.com/userfiles/file/remifawibe.pdfIn PDF document text
- https://novahealthclinic.ca/userfiles/file/nofurawolej.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/40515449164.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/59795711994.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd4e4677c9---dijeboz.pdfIn PDF document text
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/16093002a0764c---sinelobabowo.pdfIn PDF document text
- https://fotinepmuveszeti.hu/kovagoors/uploads/files/49941319499.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/nsfckcjmifra7cf02jsu64m743/nuxazoxidizajetedalexez.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/obiv1unlf092i3kj8gskqt2j7b/waziterev.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=general+medical+check+up+list+pdfPDF 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_off0000f4ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4AB | 17460 bytes |
SHA-256: 95a4a92d85b260d6c93b249ebf7a729f99fef58ccde3492f61c2cfd7196fe491 |
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font_01_sfnt_off0001214f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1214F | 10996 bytes |
SHA-256: e804100ce606ddec9f1deaf34cf17ff359b51523b58f669b6c41ffaa24371a33 |
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font_02_sfnt_off00013aa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AA2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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