MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this document is designed to act as a link farm. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics indicate a malicious intent to redirect users to potentially harmful content, possibly for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://hagepoorter.be/files/files/83927564301.pdf In PDF document text
- http://xn--hy1bt45apoap01a.net/jangheung/userfiles/file/50021339615.pdfIn PDF document text
- http://altinellerinsaat.net/UserFiles/file/23628153375.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611bd4522c6aa---45718049829.pdfIn PDF document text
- http://cassotech.nl/site/data/ws/files/bixum.pdfIn PDF document text
- http://romanakladatelstvi.cz/userfiles/file/68663349274.pdfIn PDF document text
- http://a-mega.ua/images/uploads/file/xitijom.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/6f19d525f88ef25b65aeeb76ae03de1c/50243178040.pdfIn PDF document text
- https://burstallconrad.com/editor_files/file/wuronatu.pdfIn PDF document text
- http://otohyundaidanang.com/uploads/image/files/90393486664.pdfIn PDF document text
- https://rux-thai.com/ckfinder/userfiles/files/munefotiteninad.pdfIn PDF document text
- http://parilka.by/var/upload/file/pezimorakasa.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/dc9a35vklirqc6epc88vvnfneh/jivexowedawatozivajisabiz.pdfIn PDF document text
- http://flexa.cz/docs/file/99765940328.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/381668045c5e5c593c038300d2505872/podabebofenikugilovejiri.pdfIn PDF document text
- https://juniorclublivorno.com/sitonews/images_upload/files/judin.pdfIn PDF document text
- http://bmcnx.com/userfiles/file/47817921931.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16103bdd870d33---76663620827.pdfIn PDF document text
- http://ucinnovation.ru/admin/ckfinder/userfiles/files/rozazalumemapedugevog.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16076787f0a98a---95592024367.pdfIn PDF document text
- http://castudio.eu/userfiles/files/pibagivipujifotisowidoze.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/2039a6c9ff5a8c21963e900f06f46576/lovajumevigedawafudo.pdfIn PDF document text
- https://cordovajewelry.com/images/file/mikavefowurana.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfc42fd78a4---71817522169.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d8c48462f---jekug.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=research+literature+survey+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_off0000e0e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f8f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F9 | 10820 bytes |
SHA-256: 1b664286f230256ee97604d1398ef991e9087cbad3bd75d6460c59975b45145b |
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font_02_sfnt_off0001121b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1121B | 17452 bytes |
SHA-256: 67871e0bbb88b9518c61ee39f9874db1bfc45af7a0c84460b97b00b276447604 |
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