MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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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 https://wastran.ru/uplcv?utm_term=how+to+post+multiple+pictures+on+one+instagram+story+android PDF link annotation
- http://umbabox.com/userfiles/file/48559892377.pdfIn PDF document text
- https://eastmangroupllc.net/ckfinder/userfiles/files/petigagufevodasuga.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/6o4o3u9fuck3q0m1m278n8hak4/bezulomi.pdfIn PDF document text
- https://9ja-bet.com/userfiles/file/45557686504.pdfIn PDF document text
- http://e-junghan.com/userData/board/file/fives.pdfIn PDF document text
- https://duhocblueocean.vn/ckfinder/userfiles/files/zataki.pdfIn PDF document text
- http://partnercable.hu/files/jokanozin.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5102e8218---60629663732.pdfIn PDF document text
- http://luatsugiadinhviet.com/upload/ck/files/81089387783.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bc1cc08ae212ee55100d18c982f19f25/97421500572.pdfIn PDF document text
- https://km2804.com/ckupload/files/waxeledasokox.pdfIn PDF document text
- https://rugerwafers.com/demo/ruger/beta/userfiles/files/96635948170.pdfIn PDF document text
- https://t2sc.me/userfiles/gigoxowibametozavup.pdfIn PDF document text
- http://nemeckystrakac.sk/editor_uploads/files/pozavalojajiw.pdfIn PDF document text
- https://klcconsulting.eu/klc/file/50823422041.pdfIn PDF document text
- http://truhlarstvisollner.cz/data/file/fogunawerebemoxuvugofiwa.pdfIn PDF document text
- https://pontus-sd.eu/uploads/file/raraleses.pdfIn PDF document text
- https://a-pointpro.com/cms/ckfinder/userfiles/files/dexikalukewapilivefap.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613d35211dca4---lovobubejelesanixideziwuf.pdfIn PDF document text
- http://daisin1977.com/js/upload/files/patupovezugesufejexadugas.pdfIn PDF document text
- http://3m18.com/images/editor/files/nokekarudusidixus.pdfIn PDF document text
- 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_off0000d36b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD36B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB82 | 11148 bytes |
SHA-256: 57c340e5bc809b6c833d57d8cb4380061bd2c88afcceb3fe791b9ea248e8530f |
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font_02_sfnt_off00010559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10559 | 17944 bytes |
SHA-256: a58434d5362604e02959df6ce8fb0846148af86e7750ff484f74c30c2f02e90e |
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