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 ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload storage and disposable hosting. The document body is unreadable, but the presence of numerous external links suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16073a15c488e6---61110053915.pdf In PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee8f299699---40916881430.pdfIn PDF document text
- http://tucholainfo.pl/userfiles/file/wisosokidad.pdfIn PDF document text
- https://drticket.ir/basefile/drtiketcom/files/lujogigatedanotijuno.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/48obp82rertat58h0809s76na4/bavobubiwu.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b95052d5828---kanebubef.pdfIn PDF document text
- http://forglass.sk/userfiles/file/58274990598.pdfIn PDF document text
- https://regiefranchet.fr/userfiles/files/21893286685.pdfIn PDF document text
- http://kaies.net/upfiles/210830231254054295dy829d.pdfIn PDF document text
- http://slovoveri.org/userfiles/jeluvijiruzepakem.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210717185236149.pdfIn PDF document text
- http://vucert.vn/uploads/files/rajabeve.pdfIn PDF document text
- http://osstemcardiotec.com/files/fckeditor/file/191555618612345530196e.pdfIn PDF document text
- http://chatfieldfarms101.com/userimages/86541391815.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9eab394de---46484013798.pdfIn PDF document text
- http://csc021.com/userfiles/file/20210821132906_gpfgg0.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160805cbef0157---64830686122.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c03dee3374b---42011104028.pdfIn PDF document text
- https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/8v30218eum0i1937n30rgq07dk/xazozon.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f066db4aa---misoxabopuzipa.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/42d82bca8801c52b1f38065f5fa2ae3d/15259088231.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/fb869ba290d169b32d461b03471676a8/jowaj.pdfIn PDF document text
- https://sardavetri.it/userfiles/file/63971388274.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=emerald+tablets+book+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_off0000ec90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC90 | 10680 bytes |
SHA-256: da06345983a5113766abac1cbff0fe15e0c11732abbb6daa23123f30d569c0c4 |
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font_01_sfnt_off000104d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ce5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CE5 | 19620 bytes |
SHA-256: 546e72b9f8996687962e3e9a742d1add62775208247460318cdd1011e059cb3b |
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