MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites hosting other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or lead users to phishing sites. The ClamAV detection and ML classifier further support its malicious nature, suggesting it's a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16071450cda8f6---61285287059.pdf In PDF document text
- http://cuatudongsaigon.vn/uploads/files/37619058309.pdfIn PDF document text
- http://commune-bourre.com/userfiles/file/xafijajavuvupunagiralesig.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/wolokupajifu.pdfIn PDF document text
- http://rcp-ranstadt.us/files/92582559659.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16096092b8fde9---80201118249.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/nk2eg6qvsij8onedll0vs3c7i2of8d1s/69023531486.pdfIn PDF document text
- http://softwarefactory.nl/images/file/wurapajudo.pdfIn PDF document text
- https://lee-trading.tw/archive/upload/files/suturorek.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/9trjshgpcur656pdgksald9762/duworazoxogomo.pdfIn PDF document text
- http://ikhmongol.mn/ckfinder/userfiles/files/68094759063.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/6a7a58ec5d168c3315621da840b90d6d/vodagex.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b365de8c75---44700144510.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160a710049a5b4---delosesozapeniladugujaza.pdfIn PDF document text
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16092fb2399f8c---vuderorulofunupixupove.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160854dc1cf433---girovudabopawowamuworul.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cc48a246a---rorugofumomewozuzun.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081aff5c8317---95066623675.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16070c16ceab59---71594704223.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/dhqiltq1v3sbmu2emg1ds63h8v/81094680266.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/b5b85fc2aaa7497bace91a166c021873/weguvijujuwavetur.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/tk3cchmuquei2ilgkvo06b6rlt/14149776771.pdfIn PDF document text
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/28f5356b1e1b8bd18d9cd98489c11db7/foxaxaluwazivinobumivif.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/ac8fadfdcf8f3bfd5a732e76ebe874a1/padaxosofijabezosofizi.pdfIn PDF document text
- http://opakowania-loga.pl/zdjecia/fotki/file/62253110370.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c709aa72544---58684385106.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=earth+population+in+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_off0000ebfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBFD | 17048 bytes |
SHA-256: 6c806142f5ccf32dfef21b331a2225f22a44ca7e0707a6cc0109f52a888159cd |
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font_01_sfnt_off0001189e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1189E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000130b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130B5 | 10592 bytes |
SHA-256: 0af1df5cd0528a326571a49f5f8a0b426bc034feb24f6a7e9bf96bdd41c7d791 |
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