MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous URLs pointing to compromised WordPress sites, suggesting an attempt to deliver a malicious payload. The ClamAV detection and ML classifier strongly indicate malicious intent, likely a phishing or trojan delivery mechanism. The embedded JavaScript is likely responsible for initiating the download or exploit process.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://synerhu.ru/uplcv?utm_term=download+sniper+strike+mod+apk PDF link annotation
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133deb059986---baganufajor.pdfIn PDF document text
- http://azseal.net/uploads/userfiles/file/xotarilasawi.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9e95273fe---bifawodomujazor.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/vhqs0q2bbjgbejmnr0lam8ajk3/73753411535.pdfIn PDF document text
- https://ovistar-dz.com/ckfinder/userfiles/files/34925206489.pdfIn PDF document text
- http://electric-kernbichler.at/menulebidegomebamofetedi.pdfIn PDF document text
- https://abbma.in/admin/uploads/file/fosozajad.pdfIn PDF document text
- https://susta.vn/userfiles/file/damomufor.pdfIn PDF document text
- https://sayurhijau.com/contents/files/75358375729.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/lozixever.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/54223033450.pdfIn PDF document text
- http://studioturina.com/userfiles/files/12153022803.pdfIn PDF document text
- http://4els.ru/uploads/images/files/tukirurijunopesurobubo.pdfIn PDF document text
- http://volvo-cars.jp/js/upload/files/16140823098.pdfIn PDF document text
- https://triatlonshop.cz/userfiles/file/kovodel.pdfIn PDF document text
- https://menokatea.com/ckfinder/userfiles/files/83341059992.pdfIn PDF document text
- http://www.bongbansaigon.com/uploads/files/53221435814.pdfIn PDF document text
- http://raffaelecavazzoni.com/userfiles/files/14165231466.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/1dbfe84f7b36d04caa3fe78d907a23c8/tuforixama.pdfIn PDF document text
- https://lrsinc.co/userfiles/file/51430838664.pdfIn PDF document text
- https://brawlcall.com/ckfinder/userfiles/files/zonida.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/4244451aec2a8a7450e6332dc212d678/fefiwavez.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_off0000c57f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC57F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD96 | 10732 bytes |
SHA-256: d42c35da70c2e4785c62561360a17c508dddf1c455b3defcde37b8a23e05b5ec |
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font_02_sfnt_off0000f645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF645 | 17784 bytes |
SHA-256: 418a3eb100f9068b9967205b74469e7df422339219c22b470cc324098b151179 |
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