MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external URIs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc192252431---87540486751.pdf In PDF document text
- https://balbok.net/admin/ckfinder/userfiles/files/nimaki.pdfIn PDF document text
- https://binarbaidrealestate.com/public_html/userfiles/file/45768627803.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a942c6432ec---bafed.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088f9131e377---mazelajuvobis.pdfIn PDF document text
- http://arcomproltd.com/userfiles/file/suzetexomowemarub.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/f0fa88cc8a47472bea1bf64ac76011e0/84830796168.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/qug7pap34uc2h3jvit1511b3sv/zubinivub.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a842678d902---52896397976.pdfIn PDF document text
- http://fittbike.hu/files/file/31358812478.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/2ecbcaa510be19abb844d86ce907f192/18321303365.pdfIn PDF document text
- http://tlxzkj.com/uploads/file/161645026899.pdfIn PDF document text
- http://bettynblue.com/upload/fck_img/20210513/file/gamosigibu.pdfIn PDF document text
- http://iglozawiercie.pl/zdjecia/file/giwurovodikosiro.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa92655c77e---kawewumewel.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160aa251f89043---89114523178.pdfIn PDF document text
- http://ceskylakros.cz/userfiles/file/gaduxan.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb9dde152c---fepumogevafutusobubajame.pdfIn PDF document text
- http://jshtextile.com/UserFiles/file///40283904433.pdfIn PDF document text
- http://alhouti.com/userfiles/file/71359924710.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9d6442d29---jagogutisajeru.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/ko62j1ik15da9cvhahqr2jm6ov/lapovagixojusizovi.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/39e2745b347f2212146026d35e6dbd5b/mezizawezunatipim.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=red+river+gorge+trail+map+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_off00011900.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11900 | 16452 bytes |
SHA-256: e7a80fad573a20b8a96a1f623b1e2428d79b327b64da85995af694badefa655d |
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font_01_sfnt_off000143bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143BD | 10680 bytes |
SHA-256: 007d9a74e7143771bf29f9091da8634c12d601809df7f6ce36bfac86ffed6e8c |
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font_02_sfnt_off00015c0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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