MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160764b768c279---kifiwa.pdf In PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/as6qjt7mktdog7c7t8p39k4dk3/ruwezupevukakober.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/09258300e9a399bae40dfaadfd687647/18810614076.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c75356083bd---61818368207.pdfIn PDF document text
- http://reicar.dk/userfiles/file/venikepilimitituzuzo.pdfIn PDF document text
- http://canxetaianhduc.com/images/file/58824039657.pdfIn PDF document text
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091910e77c3b---neguziresowibilo.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161125a0f9dbb1---fanoduwi.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/ede39732a9718fadc106b5afb2cb6744/bizixufapidowopelatinej.pdfIn PDF document text
- https://tomorrowhubs.com/upload/users/files/64222330749.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/2008288402.pdfIn PDF document text
- https://serwisnawigacji.pl/userfiles/file/75749052206.pdfIn PDF document text
- https://pinpointfeedtech.com/ckfinder/userfiles/files/dedulozomuweturisuwogexi.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/51283546792.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/472689b329bca5756c0a02e46decf858/38461369481.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb4cb4cf50---23598885841.pdfIn PDF document text
- http://etasystem.net/userfiles/files/gidogajujezitafikurekomag.pdfIn PDF document text
- http://agendatourvietnam.com/hinhanh/file/ziperilu.pdfIn PDF document text
- http://au-coeur-du-temps.com/userfiles/file/rinenad.pdfIn PDF document text
- http://good163.cn/Uploadfiles/files/63493370720.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/97903597021.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609a934fbaed7---xejaxunale.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/592148473cb3d0a3215a732edf19ca22/texon.pdfIn PDF document text
- https://kitapkapla.com/upload/ckfinder/files/bexafewefusoge.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/e5smkkmova2p255s9h1uhkd92t/zojemenivokudefolusarup.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=watermelon+man+bass+transcription+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_off0000e3a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A5 | 19896 bytes |
SHA-256: 95d310694ac8fec2a6a273e28b7eb43410a97cb947198ceba433c68a22211624 |
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font_01_sfnt_off000117fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013014.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13014 | 10916 bytes |
SHA-256: 190482872a19e1379372fad0a2a51290c100781978a400e1190b9dc6e9372d0b |
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