MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress upload directories, suggesting a link farm designed to host malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to phish or deliver a payload via these links. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5865c282c9---64584470644.pdf In PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16079ee19335d4---fukinomelaw.pdfIn PDF document text
- http://www.kymkarajok.net/tiedostot/files/11045104921.pdfIn PDF document text
- https://krossi.ru/images/content/files/joxunekimawafu.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c6bc9a88b2f---30613779779.pdfIn PDF document text
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5bdf45579---50731416127.pdfIn PDF document text
- http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jipinesudegusewom.pdfIn PDF document text
- http://fedime.org/imagenes/70419102765.pdfIn PDF document text
- http://travelsi.ru/ckfinder/userfiles/files/19367510275.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/xubewisazesuw.pdfIn PDF document text
- http://btc-ltd.com/upload/file/naxizuzekanutevad.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/c8e105621bd280f90b617fe723ea9d71/jazinuner.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d21ae261fc---fefeforuduvolulasegitu.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/98546256955.pdfIn PDF document text
- https://lacaune.hu/userfiles/file/54744860743.pdfIn PDF document text
- https://nuttydog.hu/ckfinder/userfiles/files/27682853693.pdfIn PDF document text
- http://erdivigado.hu/userkepek/file/83570101480.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a931e1143b8---lujofusu.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/non5qh6d604kp1br0r3l54kmco/11662697073.pdfIn PDF document text
- https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f24dc26f5f---59409453673.pdfIn PDF document text
- https://oliogalanis.com/file/mudejuzivexufefidiravof.pdfIn PDF document text
- http://www.majbrno.cz/uploads/files/10483546410.pdfIn PDF document text
- https://mimpi1pusat.com/contents//files/92081479590.pdfIn PDF document text
- https://andana.us/files/files/93477952590.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=lenovo+thinkpad+t480s+specification+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_off0000b0cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0CC | 14500 bytes |
SHA-256: 9f60286e2d3a63eba8bcccd72767289712ca0ff565ba0db41800b0f27df72ca1 |
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font_01_sfnt_off0000d500.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD500 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ed17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED17 | 11096 bytes |
SHA-256: b4993feddf8f7f985b222b53e8c56c6ec1946388aba8c61ce27f7cdf7fe4b7aa |
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