MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://queure.ru/uplcv?utm_term=black+and+blue+123movies PDF link annotation
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa420530e2---53137890736.pdfIn PDF document text
- http://nissanotogovap.com/uploads/images/files/60341972395.pdfIn PDF document text
- http://collectifff.be/imgdb/accueil/files/romamop.pdfIn PDF document text
- http://www.frank-diagn.hu/userfiles/files/guvugam.pdfIn PDF document text
- http://malifer.hu/upload/file/nufedixed.pdfIn PDF document text
- http://group-anons.ru/userfiles/files/tenunazipu.pdfIn PDF document text
- https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/73137826645.pdfIn PDF document text
- http://alkanboya.com/files/file///45032931127.pdfIn PDF document text
- http://freeorden.com/media/file/87941904054.pdfIn PDF document text
- http://chukysovin.com/img-svc/files/82044262149.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613daa2cd8a16---futazovi.pdfIn PDF document text
- http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/zuxisatubegalinasojevota.pdfIn PDF document text
- http://stamforgtechnologies.com/uploads/xoxex.pdfIn PDF document text
- https://www.ojchamber.com/ckfinder/userfiles/files/kokasomivoxoruvop.pdfIn PDF document text
- http://uzks.hr/upload/datoteke/rikirufavipima.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/togujixoniwawadamexux.pdfIn PDF document text
- http://qdjshg.com/files/file/kagikubonu.pdfIn PDF document text
- https://harrisitalia.it/uploads/file/19101004432.pdfIn PDF document text
- http://ckm-machinery.com/userfiles/files/2322564093.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614629d67e5d1---81456626991.pdfIn PDF document text
- https://littleedupark.com/ckfinder/userfiles/files/20124742917.pdfIn PDF document text
- https://drosamahetta.com/userfiles/file/38994122737.pdfIn PDF document text
- 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_off0000b36d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB36D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB84 | 11128 bytes |
SHA-256: 9ee6ef564431bba6e4c3713527afdbf3d0b39f110bf20ba33711f11274f55a94 |
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font_02_sfnt_off0000e596.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE596 | 17976 bytes |
SHA-256: e06ecf3fb25501827e281182ad8dd9f49b46f981bfcd32030f0edf8322796bc5 |
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