MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites. These sites likely host further malicious content or phishing pages, serving as a distribution mechanism for malware or scams.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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 https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/2pgjhcrfomm93kdvugc17ihb85/52675124078.pdf In PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/f8607ae8c27c904d2df8cbdaf69afec7/72838388545.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/032b2b24a7f609afee4a1c6271ba5eb4/32219706810.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d7cfef192---gojadar.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/82d93e3f01cf5feb045c01709a28ff62/baremunu.pdfIn PDF document text
- https://topupdana.com/contents//files/42833415089.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607760c130c23---85644020016.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/2pcgn37p2k0li983267htauqdr/61230840304.pdfIn PDF document text
- https://shoreluxurylimos.com/userfiles/files/17697651483.pdfIn PDF document text
- http://anbao.vn/uploads/userfiles/file/jajasodekowukiluka.pdfIn PDF document text
- http://nuocmambason.com/upload/fckimagesfile/477225c313bbe27a31b472b631ac67ed.pdfIn PDF document text
- http://pampa.be/uploads/userfiles/files/viwusupidovimewejanajo.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/3ded205da700870e655ab79d36b05f04/34376658871.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/284e0a1a533c377e8415067801212937/pameledixasujoxug.pdfIn PDF document text
- http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607132e6147b5---kogurapamidan.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079cffd0c1f4---pomemoxa.pdfIn PDF document text
- http://jncs.kr/page_data/file/20210627225449.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/d9bb73f05851de12d1c744c7dd94bc47/biwolabunef.pdfIn PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/3c8ef6b845068d88c87af2ba30418fd3/39424137421.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abae93be857---16830318419.pdfIn PDF document text
- http://regimhotelierbucuresti.com/images/userfiles/fefusexusotaro.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c41fefb03---xinirawamozizalunado.pdfIn PDF document text
- http://martonelektro.hu/files/file/fidugos.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b3b531bf0---37774787990.pdfIn PDF document text
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/7fb12457f8a71983e1b50ca72a0da502/nonekosanilapomo.pdfIn PDF document text
- http://tgtech-auto.com/userfiles/file/69821680863.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=muscle+relaxant+typesPDF 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_off0000e8b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100CC | 10464 bytes |
SHA-256: 7dd79b239fb31eff962a517d1b017006c34cae30d28119ca960b61d0878f7126 |
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font_02_sfnt_off000118cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118CC | 15872 bytes |
SHA-256: 00c33309c9f59919bb91faa47952db9253535de2fe4b8bd5f747f0848e6bf0e7 |
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