MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code or redirecting users. The presence of numerous links pointing to compromised WordPress sites and disposable hosting indicates a link farm designed to obscure the ultimate destination, likely a phishing or malware distribution site. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a24faa061b2---newatakigavivufiropitu.pdf In PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094ca4d4f1f2---tibupovexatezarudom.pdfIn PDF document text
- http://hnfhdc.com/UpLoadFile/2021072403491752367.pdfIn PDF document text
- http://blueyee.com/upload/file/040819097403.pdfIn PDF document text
- https://faresaldabbous.com/uploads/files/62682174980.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/2339bf2027d3ed353dd9151aa674cc39/36369413868.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/50sj70128ruvt7akl3hvbvc1g1/79964140764.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a70ebb0ddd5---83082602169.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/14548336cd65043533b586f909d89484/zuwinozumu.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210607011959.pdfIn PDF document text
- http://blessingsngo.in/userfiles/files/gowuwelod.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/90412357679.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8e6c754bc---53946822746.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/punova.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/73c62b8aeae85d4107757e53e382d14b/zopijubag.pdfIn PDF document text
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/b606522c5c8c0ac88d91a5ee21beaa06/boxulep.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/od7ssc3b7jh84c8oc8e6s36e6l/99963561312.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/0702ff14d71fd797f331228847afced6/29099674147.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/7b3eacdccbcb9c175ae6376165c49464/27946098988.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/16601282353.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/2unhog5u2f9p6aubr87u1c49b5/94415861619.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/88191432011.pdfIn PDF document text
- http://28777886.com/Lpf/UPFILE/userfiles/files/14516734525.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/640d676ef40221612b5535796d483237/56939403161.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+use+the+g+pen+pro+herbal+vaporizerPDF 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_off0000f4e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E8 | 10976 bytes |
SHA-256: ee12d00fc703395d3e465cf6b998d206d69597aa0a66cafc810466ad8aadc186 |
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font_01_sfnt_off00010e27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012639.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12639 | 17844 bytes |
SHA-256: 67c5391ebc3bfa87f1867884e03ec86cb5f4e9d34d90e6a8d0570e4b93e8766c |
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