MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host other PDF files. This structure suggests a link farm designed to obscure the ultimate destination, likely a phishing or malware delivery site. The ML classifier and ClamAV detection strongly indicate malicious intent, with the PDF_SEO_DISPOSABLE_LINK_FARM heuristic confirming the use of disposable hosting for link aggregation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a83448bfe1---4957216933.pdf In PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/kajuniwuf.pdfIn PDF document text
- http://takeacode.eu/user/d41d8cd98f00b204e9800998ecf8427e/file/89657338421.pdfIn PDF document text
- https://bursac.net/userfiles/file/sukurun.pdfIn PDF document text
- http://www.elmundodelapiscina.com/ckfinder/userfiles/files/gifalevudupulavenerukiba.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/t32lqkbmb9vg8l6p481mifhkhs/84502602958.pdfIn PDF document text
- http://2sisaccount.com/userfiles/files/85796821501.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/96a261740c3cac5efebc7c3b5ec14b3e/31388349868.pdfIn PDF document text
- http://simonide.org/userfiles/file/gabenowuv.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/lukefem.pdfIn PDF document text
- https://newtech-utm.pl/userfiles/file/funotiduvogolozi.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/lolikolorabitimomebamuvu.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8856cce20---delakilanenerajan.pdfIn PDF document text
- https://vienhung.com/webroot/img/files/nubusewikuwalusolov.pdfIn PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/0932dba29cf5f868f4633659f04fe128/rilekagezubepusirile.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/gv8d2h312em87u16lrpoevfl2t/tozijupijodepulap.pdfIn PDF document text
- http://jocoseatee.com/userfiles/files/xodujaxamiliw.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d5bc5a3d8---89617923803.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/338cca38b9c1354134c0347bc924bd09/zawefesuxivukovelagoz.pdfIn PDF document text
- http://duocthientam.com/uploads/ckfinder/files/jixojatuwenuvajunejanor.pdfIn PDF document text
- http://scoutpate.com/userfiles/file/10241391248.pdfIn PDF document text
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa8714826a---79124827475.pdfIn PDF document text
- http://annamsaigonlaw.com/upload/files/77918493433.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16113046116a02---30439888059.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/10rvr7epoa4sose7u3fdvpcap4/tadifo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+many+laps+is+a+mile+in+a+25m+poolPDF 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_off0000d952.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD952 | 10660 bytes |
SHA-256: b4b234aa337de78c6613e3a5b0c87bd4a69b3dcbd9b09543a103bf67e0fe025c |
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font_01_sfnt_off0000f1d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000109e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109E5 | 17764 bytes |
SHA-256: 55841acd181cd1f909394c988ac8651b7dc1615c755d6e2b43ded6eac14d338a |
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