MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites. The embedded URLs, such as http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa9ffbae19---newusenumajogoxekexewuwu.pdf, are indicative of this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://debden.org/userfiles/file/ In PDF document text
- http://hoangduy.vn/vn/files/83509527203.pdfIn PDF document text
- http://xaydunghoangthanh.com/img_duhoc/files/99136237337.pdfIn PDF document text
- http://shuimotongyuan.com/userfiles/file/10480308292.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/36576813798.pdfIn PDF document text
- http://mosvag.ru/img/lib/file/9621073534.pdfIn PDF document text
- https://butagallery.com/userfiles/files/kiwadadonafodug.pdfIn PDF document text
- https://rakbah.healthybitespk.com/alpha/ckfinder/userfiles/files/86602954740.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/velalatuzubu.pdfIn PDF document text
- http://glovimex.com/uploads/ckfinder/files/wejililizi.pdfIn PDF document text
- http://big-blue-bus.com/pics/fotos/1/file/56887111058.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161506bf8504a7---95743810663.pdfIn PDF document text
- http://huthamcauquanggiap.com/upload/files/vakaju.pdfIn PDF document text
- http://leebyunghun.org/new/upload/board/files/43970701732.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7de552931---54521280980.pdfIn PDF document text
- https://olamare.com/img/uploaded/file/96046383273.pdfIn PDF document text
- http://yourhealthyanswer.com/ckfinder/userfiles/files/25920652237.pdfIn PDF document text
- http://educaholistica.com/resources/img/imagesck/files/92386195587.pdfIn PDF document text
- http://solmoda.it/userfiles/files/75784958859.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa9ffbae19---newusenumajogoxekexewuwu.pdfIn PDF document text
- http://suriyedostlukdernegi.org/image/files/kubasefiwejesulaxe.pdfIn PDF document text
- http://yourmoneyyourbank.com/uploads/File/62065509919.pdfIn PDF document text
- http://geteffective.biz/uploadfiles/file/nivatelojower.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+change+windows+download+locationPDF 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_off0000e25a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE25A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA6C | 18956 bytes |
SHA-256: aabbec17a3b271abc73fb1ed84dc92c329531ce6a33e46bca032f1e3f5949a1b |
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font_02_sfnt_off00012b26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B26 | 10628 bytes |
SHA-256: ade0f338c45198efb42838cd322be6a2c774043b2435d917c98e836491fe17c6 |
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