MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised websites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://open.ua/uploads/ckeditor/files/14297925094.pdf In PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1aae62374---71718184235.pdfIn PDF document text
- http://www.rannatennis.ee/data/upfiles/files/51418489342.pdfIn PDF document text
- http://inventory-acepipe.com/images/uploads/files/gawifofasolil.pdfIn PDF document text
- http://gatewayhotelbangkok.com/upfile_hotel/files/nawaxebipipiboponadosuno.pdfIn PDF document text
- http://buffagiuseppeinfissi.com/userfiles/files/zaxof.pdfIn PDF document text
- https://ww150003.linebot.net/upfile/files/20210903013208.pdfIn PDF document text
- http://fuerst-architects.com/uploads/file/xazix.pdfIn PDF document text
- http://www.uds-myanmar.com/image/upload/File/tisufej.pdfIn PDF document text
- http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/40074267264.pdfIn PDF document text
- http://www.colormotion.cz/UserFiles/file/67912370997.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d8c523b817---1534471222.pdfIn PDF document text
- https://copab.tn/216mag.svn/uploads/files/fawafubajuda.pdfIn PDF document text
- https://www.informacion-indoorclub.com/boletines/img/file/xanikodikiter.pdfIn PDF document text
- http://litho-and-co.fr/ckeditor/upload/files/97842624872.pdfIn PDF document text
- https://net-mex.hu/ckfinder/userfiles/files/lajumine.pdfIn PDF document text
- http://rasmesafar.net/basefile/basefiles/xepotani.pdfIn PDF document text
- http://fs-select.com/images/blog/file/dagelamojalulozatugabeku.pdfIn PDF document text
- http://thewellmanteam.com/userfiles/files/24478393124.pdfIn PDF document text
- http://podhoru.cz/userfiles/file/tujoti.pdfIn PDF document text
- http://ckattorneys.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/39644596062.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/5ed568d20b115938cdf2d4e02924d412/31842924508.pdfIn PDF document text
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/51881570549.pdfIn PDF document text
- http://mfcpavpos.ru/file/tiwakapemodas.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=8+letter+word+that+starts+with+hPDF 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_off0000bc42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC42 | 17384 bytes |
SHA-256: 524740b3a0cded0f7a572139659ce4fa3c7c583b49875f08d8165f80f4034585 |
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font_01_sfnt_off0000e99d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE99D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000101b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B4 | 10440 bytes |
SHA-256: dd1c95f6586e54d793890ab680a95e29388abfaac8943c09ed26991bb003e064 |
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