MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links pointing to compromised websites and disposable hosting, characteristic of a link farm used to distribute malware or conduct phishing. The presence of external URIs and link farms suggests an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160add2f641f9b---kopixoxepimoxujanujunu.pdf In PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/d3b3196b19c9fd4f7d3890d379954dfb/kegitexaxelukeg.pdfIn PDF document text
- https://p99.tw/pro_pic/files/tevejabamekomapu.pdfIn PDF document text
- http://daiichilogistics.com/uploads/news_file/gikituvizubojewe.pdfIn PDF document text
- https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/tidukedazunaw.pdfIn PDF document text
- https://aymsoft.us/aym_image/files/sokugisumejip.pdfIn PDF document text
- https://safehouseservices.in/fckfiles/file/rotawagovenefinumuzigid.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/1hhnd8ibkqpkuifr9juh4eanfo/tekudisoxifabesutav.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e18bc6162a---jatiko.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094751212393---retafaxawitokugupufubeg.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/ae60eaffdc61ef73dafc9ee2943b399a/31879228001.pdfIn PDF document text
- http://dungcucaytrong.com/images/files/54581442121.pdfIn PDF document text
- https://familienbilstrup.dk/ckfinder/userfiles/files/55900489769.pdfIn PDF document text
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/34880d4fae594c62c7e442c47581ca50/63216879812.pdfIn PDF document text
- https://12shio2.com/contents/files/nepumabot.pdfIn PDF document text
- http://vividconcept.in/userfiles/file/rimur.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a47c66ad2---sufotiteleweripezol.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608993a2b1e87---63377666609.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/bokuxexemulozepi.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/204a3f4f3e3140f74f62097adf7a83a4/dopuvakesavemudo.pdfIn PDF document text
- https://www.neosynapses.com/wp-content/plugins/super-forms/uploads/php/files/od99v7hstv4qltoaa8n0gg4kp3/pimezetelegaw.pdfIn PDF document text
- http://kfnmdg.com/upfolder/e/files/20210721133517.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=allaitement+maternelle+exclusif+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_off0000de7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE7B | 10844 bytes |
SHA-256: db313a806b3dfb7a80a6ded47277ef3b671d7b2bd7f8b7398fc2a0047b1fa08b |
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font_01_sfnt_off0000f788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF788 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010f9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F9A | 19920 bytes |
SHA-256: cd48407c4b7edf6fa4afae37f8195280818cfce92e62be4e2df942b25aafbe63 |
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