MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URIs and link farms, some hosted on compromised CMS uploads, strongly suggests a phishing or malware distribution campaign. The document body was unreadable, but the heuristics and URLs point to a pattern of directing users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://alfonsoguiggiarchitetto.it/userfiles/files/gireso.pdf In PDF document text
- http://architettodrabeni.it/userfiles/files/70626053094.pdfIn PDF document text
- https://kawanmto.info/contents/files/mobogatof.pdfIn PDF document text
- http://fibertechnique.com/tmp/file/6808425684.pdfIn PDF document text
- http://babyindex.nl/images/uploads/13162732547.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/8eb15a68b63bb666350a718eb96d094f/sonanitobivisejanabaxep.pdfIn PDF document text
- http://kpghomerepairs.com/uploads/image/files/bikalawazijiwakozamivopi.pdfIn PDF document text
- https://prosaison.fr/userfiles/files/befopuwujot.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/98c30b95695710cad8d4b3a32ad551f7/97486381409.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/75170709426.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/54360152302.pdfIn PDF document text
- https://ww150001.linebot.net/upfile/files/20210906224533.pdfIn PDF document text
- http://momsystem.ru/public/file/31921597565.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/ruwetip.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409b7556c95---24809235267.pdfIn PDF document text
- https://atcotourismtravel.com/userfiles/file/19241375921.pdfIn PDF document text
- https://at-studio.tw/app/webroot/userfiles/files/20210914_060946.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/setenem.pdfIn PDF document text
- https://springkasteelhuren.be/userfiles/file/dazagen.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/toj6bj4c0imgu1bpu3hdiuf7jf/vuzenumuke.pdfIn PDF document text
- http://yoron.net/up/files/25325847447.pdfIn PDF document text
- https://bbu.vn/Images_upload/files/97566401203.pdfIn PDF document text
- http://bippex.com/filespath/files/20210902100044.pdfIn PDF document text
- http://www.multigacos.com/admin/uploaded/fck/file/tekopimavoxabumofel.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=sd+card+installation+androidPDF 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_off0000ce24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE24 | 17708 bytes |
SHA-256: 988e37a7d412fd7df21625414dfa92c92a3ad48a1420f1d2abddfb411ec84878 |
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font_01_sfnt_off0000fbe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000113ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113FF | 10304 bytes |
SHA-256: fbefebaab7ff5be4c7ccd3b2d570572c4b4af50aa8c4168653dc83e4de985ce6 |
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