MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress sites and potentially disposable hosting. The embedded URLs, such as http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609643c1a5211---gamatupobunej.pdf, are likely used to redirect users to phishing sites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609643c1a5211---gamatupobunej.pdf In PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c07a86d066e---2191772058.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5f860109480c206f69df4639658c8ac3/82597403579.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/16099f2ee83f2d---6918171143.pdfIn PDF document text
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/2ubvpn31q2l7q07fvkcuhic73f/fujaxisukupakoragaza.pdfIn PDF document text
- http://spreewaldatelier.de/img/editor/file/dixowobix.pdfIn PDF document text
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/mitiradozuvikuxijami.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/ab8ed7f79e1c9ad291dc3d043591dc77/25752085104.pdfIn PDF document text
- https://matfreklam.com/calisma2/files/uploads/99749861855.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/219194cb605c19043617e3970ff88e52/lubuzejatilelad.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/58986238198.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/56e2a5f3f4b4378583b603151eae2309/64652898386.pdfIn PDF document text
- http://www.recko.ru/ckfinder/userfiles/files/67085684708.pdfIn PDF document text
- http://muntepa.com/userfiles/files/29008173355.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/413rrid63lv7f9q64a1p57o44c/fixupoluje.pdfIn PDF document text
- http://lambanghieuquangcaogiare.net/vietkiendo/upload/file/89438183968.pdfIn PDF document text
- https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/3fv2om8i0g46d9m842hji4qn62/5439908473.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/7ea92dbd36e8be00a26ceb15e4326b75/gesakomuj.pdfIn PDF document text
- https://gw21.ch/uploads/userfiles/file/xipelatekaduvuw.pdfIn PDF document text
- http://forter.vn/hinhanh/file/43456904951.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608eddf62373d---wimuxen.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091e717d56dc---26384501481.pdfIn PDF document text
- http://artstudiodesign.it/userfiles/files/66932794580.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+set+a+woods+50011+timerPDF 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_off0000cd1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD1E | 17056 bytes |
SHA-256: 6973a8db1d1fedb584ac70a0dec0f899585445eef8c564d06ecd04aec8f7c6ad |
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font_01_sfnt_off0000f9c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000111dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111DD | 10644 bytes |
SHA-256: 54d49fc5bfcd0dd04e7c5bc535deaf5ac01c1be62b583d336b610e4d9e6671b3 |
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