MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised CMS upload directories, suggesting it functions as a link farm designed to redirect users to potentially harmful sites. The PDF structure and embedded links are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
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://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5ee7c0970---7489042696.pdf In PDF document text
- https://nhahangphongcanh.com/uploads/files/wuvanovasixiruzi.pdfIn PDF document text
- http://preserveproperties.com/userfiles/files/92795368503.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/6061863519.pdfIn PDF document text
- https://bor-diing.com/upload/files/toroxewowixekor.pdfIn PDF document text
- http://yishiweb.com/upfiles/files/20210702_014223.pdfIn PDF document text
- http://iberia-ex.com/images/blog//file/65660780282.pdfIn PDF document text
- http://africareview.in/userfiles/file/97195462590.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb06aa0732---lejudesezak.pdfIn PDF document text
- http://cesishotel.com/res/wysiwyg/file/fabekilosigapotoxipabiwo.pdfIn PDF document text
- http://alltechsro.cz/files/lubobazafuxefelumuw.pdfIn PDF document text
- http://www.jfac.kr/ckfinder/userfiles/files/mukuwumenukepevevibusebug.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/02e7e683e77b6f861e6fe6093f17ee87/56565324189.pdfIn PDF document text
- http://immobilieninvestors.eu/userfiles/file/jegomarududaju.pdfIn PDF document text
- http://chandravanshi.com/userfiles/file/70662830489.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078c7b9c1079---72769599296.pdfIn PDF document text
- http://studiotravenzolo.it/userfiles/files/wixetonisamoxudike.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16086bc2c5b9e9---21953078862.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/brif7e781t40gsjka08jthtdop/6125136832.pdfIn PDF document text
- http://netflor.pl/upload/File/56045287121.pdfIn PDF document text
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4664bc9c9---34949339582.pdfIn PDF document text
- http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6032438197.pdfIn PDF document text
- http://tdsns.ru/userfiles/file/pamupevubumomojizo.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611bb13b24d5c---64529231934.pdfIn PDF document text
- http://schs1968.com/clients/861610/File/60029070188.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/eb050c99a57dac278cdedb3541ec7942/34417912661.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=manual+estilo+apa+2019PDF 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_off00010d37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D37 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012549.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12549 | 19948 bytes |
SHA-256: 0ab657137e43827696926f9dfa80b26d79156364486097cc1f17b688293e84bd |
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font_02_sfnt_off000159c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159C6 | 10700 bytes |
SHA-256: 5b4e548cb9b2f211229f7322940f652b0c90bd5e1e87427871c113e285d198d2 |
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