MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to compromised CMS uploads and disposable hosting sites. The embedded URLs likely serve as lures to phishing pages or malware download sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/f4fb231c65efacebce717544837d5f19/bivajojukatetaso.pdf In PDF document text
- http://www.evisiontiendaonline.com/ckfinder/userfiles/files/31710419574.pdfIn PDF document text
- https://ekransamara.ru/files/14069498719.pdfIn PDF document text
- http://3dprofi.net/images/uploads/file/golelurika.pdfIn PDF document text
- https://majubesar.net/contents//files/92700986839.pdfIn PDF document text
- http://fredericjean.net/oplusco/file/48554755284.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/lifulaj.pdfIn PDF document text
- http://doer-sh.com/Uploadfiles/files/97170799843.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844136efce9---97387714543.pdfIn PDF document text
- https://optimustelecoms.com/ckfinder/userfiles/files/naxob.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/t1kh9vfdosq0rm205knucp925b/koguv.pdfIn PDF document text
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/s74edr7sji8977lhis0p2k5vgm/sidod.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///27812963214.pdfIn PDF document text
- http://meijialx.com/ckfinder/userfiles/files/62610057698.pdfIn PDF document text
- https://pnp-studio.com/fckeditorfiles/file/gisineda.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/3349274060.pdfIn PDF document text
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f03212550---51395830642.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/68b99c3504f35336db23a413dedc53cb/40209297433.pdfIn PDF document text
- http://tunesistudio.eu/userfiles/files/xoputetemevux.pdfIn PDF document text
- http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/tasubimub.pdfIn PDF document text
- https://melz-feu.ru/upload/66114643275.pdfIn PDF document text
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/7335fab51b03322775870eee19f67b30/xezozuj.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/32960037264.pdfIn PDF document text
- https://ferado.vn/userfiles/file/bifivevunupepukoxikezim.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=m%C3%A9todo+del+an%C3%A1lisis+factorial+del+banco+de+m%C3%A9xico+auditor%C3%ADa+administrativa+pdfPDF 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_off0000c85a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC85A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e06c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE06C | 19120 bytes |
SHA-256: 53827fcee6a44807bf3be955c4d209099b0669577650202088315cbbd3d3db8d |
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font_02_sfnt_off00010f51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F51 | 11580 bytes |
SHA-256: ab7859e0ccf470536e11b966eb5f9e772832ecf3d7cf19d2f9caf12e2b4314c7 |
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