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 ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It functions as a link farm, hosting numerous URLs that point to other PDF files on compromised WordPress sites. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest an effort to obscure the true destination and potentially evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a88100ce480---94896983543.pdf In PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/2f7e3e15a67ba26d2b7c336a639f60ff/zezobodib.pdfIn PDF document text
- http://montaze.org/democms/userfiles/file/4587865186.pdfIn PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607682ded4925---72147991677.pdfIn PDF document text
- http://brixtontaxi.com/survey/userfiles/files/rerekuxemekabu.pdfIn PDF document text
- http://auksozvynas.lt/userfiles/file/doxape.pdfIn PDF document text
- https://hchoanglong.vn/userfiles/file/80359839891.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/xutiginolamuvaza.pdfIn PDF document text
- http://heibldr.hu/FCKfeltoltott/file/85512951127.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099b8b2a9b0d---32735911367.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b245c445b3e---xosofugudimobalotosubu.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f4445d68f68---61039200791.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bb451e0a32c---rarafimejufelosakatesi.pdfIn PDF document text
- https://vandolderskb.com/images/usr/50328916128.pdfIn PDF document text
- http://porpora.biz/imagenes/imagenes_contenidos///soxadekusamalajeb.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/175c1be8a82a737a561c1958bfb30fca/26941947622.pdfIn PDF document text
- https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/turiziralenumepigob.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160823c9728b23---zasireripodulasulubifabuf.pdfIn PDF document text
- http://frangarcia.eu/upload/file/56968395899.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/e66a7ff4cd10592c2b68eadbf94cba4d/pazedinefazukifewomeli.pdfIn PDF document text
- https://hostmegasoft.com/calisma2/files/uploads/guzubijumidawezanefasufa.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f5814634457---87136018838.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/12a13fc18c22ccdb64a0bb97d2940198/situsejapuna.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=eleanor+rigby+cello+violin+duet+sheet+musicPDF 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_off0000e379.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE379 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB8B | 16788 bytes |
SHA-256: b06f8487542f54000fdc5bbbf053a6176116676c0ec8c6b26291a9ed787ebf64 |
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font_02_sfnt_off0001272f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1272F | 11220 bytes |
SHA-256: ffa61bc46d6afa361d9ae812168e7a1b51628fb1da8f27bdb8a5d3cd6ed4bb47 |
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