MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, despite some being marked benign, contribute to the overall pattern of directing users to potentially harmful sites.
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://bepxuyenviet.com/upload/files/tekuderijubizolorekigep.pdf In PDF document text
- http://panziofabian.hu/fck_kepek/nukonorodulufi.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/2e84354bed5bc4bb64fe16f4ab62cc77/45738497685.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613df6f4969da---94366911074.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/mufinuluduxare.pdfIn PDF document text
- http://autoklej.pl/app/webroot/media/files/ladimu.pdfIn PDF document text
- https://mexico-airport-transfers.com/ckfinder/userfiles/files/26790143921.pdfIn PDF document text
- https://undergroundtakeout.com/userfiles/file/49789607117.pdfIn PDF document text
- http://anshan56.cn/userfiles/file/1631471615246306776.pdfIn PDF document text
- http://sun-green.be/ckfinder/userfiles/files/fepipalukapulapoxafe.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/29403882987.pdfIn PDF document text
- https://myvideoclasses.com/ci/userfiles/files/13113198506.pdfIn PDF document text
- https://kiptep.ru/file/89508260960.pdfIn PDF document text
- https://onderhoudnlgarantie.nl/upload/file/92690447056.pdfIn PDF document text
- http://contrast.no/ckfinder/userfiles/files/86195669279.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/11441758159.pdfIn PDF document text
- http://hp-cnc.de/uploads/files/logow.pdfIn PDF document text
- https://saint-florentin.charcutier-traiteur.fr/ckfinder/userfiles/files/62497841890.pdfIn PDF document text
- http://abwsalisbury.com/uploads/files/81123766576.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131383443db0---99273331297.pdfIn PDF document text
- https://thebottombillion.org/business_school/uploads/file/80022917299.pdfIn PDF document text
- http://cuacuonnhaxuongbinhduong.com/upload/files/50377473578.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/lomifu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=define+hyperbole+examplePDF 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_off0000d940.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD940 | 10712 bytes |
SHA-256: 03393c77fe637d6018a8e3e0253826b7a7043e437336429d678cbdd8046fc8f8 |
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font_01_sfnt_off0000f164.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF164 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010976.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10976 | 18004 bytes |
SHA-256: 2f1e8ebffd08928dd4f8da795d0d3e8237a1bcce7cd1c42a9130e36270783304 |
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