MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it contains a link farm pointing to compromised CMS uploads and potentially disposable hosting, suggesting it's used for distributing further malicious content or phishing. The 'SE_CALLBACK_LURE' heuristic strongly suggests the document's content is designed to trick the user into calling a fraudulent phone number, a common tactic in tech-support scams and callback phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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 https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/3gbs0n91jbnmqtjr8kapbv77on/82851011730.pdf In PDF document text
- http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/pagudikezoxudafikotem.pdfIn PDF document text
- https://jocafoto.com/fotos/file/81223070690.pdfIn PDF document text
- http://fsoa.cn/userfiles/file/67387842529.pdfIn PDF document text
- https://vmgeducationtrust.org/home/vmgedu/public_html/public/userfiles/file/46104418335.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/30960172220.pdfIn PDF document text
- https://073741256.com/uploads/files/202109081711154208.pdfIn PDF document text
- http://logtech.cz/foto/Image/file/44018938886.pdfIn PDF document text
- https://smg.bid/ckfinder_userfiles/files/81827884088.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16131d93f261ea---xovabilumebifarevosawexek.pdfIn PDF document text
- http://quatanggiabao.com/images/uploads/files/3185025533.pdfIn PDF document text
- http://askort.pl/Upload/file/pubutazejijusonifuj.pdfIn PDF document text
- https://cosmeticdermatologymiamibeach.com/uploads/data/files/1670780008.pdfIn PDF document text
- http://taispacedesign.com/upload/files/69834655644.pdfIn PDF document text
- http://korealabels.com/ckfinder/userfiles/files/9916124558.pdfIn PDF document text
- http://www.atccs3.it/atccs3/fckeditor/editor/ckfinder/userfiles/files/vapofasabifux.pdfIn PDF document text
- https://projektovanje.info/userfiles/file/16808285881.pdfIn PDF document text
- http://gerocuki.hu/user/file/zegedotivupapavebirasejon.pdfIn PDF document text
- http://theofficeplus.com/userfiles/file/jixojexinumoxapuzobade.pdfIn PDF document text
- http://arsvet.ru/img/upload/giwesulibofaleleseju.pdfIn PDF document text
- https://stpatswatertown.org/ckfinder/userfiles/files/lukanepalexugikadur.pdfIn PDF document text
- http://dydlhx.com/upfiles/file///88504375105.pdfIn PDF document text
- http://kodemari.info/data/files/66464013214.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/7pefmc231r02fjrh4kcm4ao8e2/bolefoluder.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=youtube+video+downloader+app+for+android+free+downloadPDF 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_off0000bd52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD52 | 16824 bytes |
SHA-256: c88a506e991a0ab7bd2797c9b18484b20fd70b4c7ac21eb25ac598609c207a33 |
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font_01_sfnt_off0000e828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE828 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001003f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1003F | 10700 bytes |
SHA-256: 66e549d909833ab5beaa4d4c130e1f3278a196c6ec1cf77898c89cd963a281f1 |
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