MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, including links to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded JavaScript points to its use in executing malicious actions within the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://philabc.ru/uplcv?utm_term=bike+race+hacked+apk
- https://terracetemayonetim.com/upload/ckfinder/files/puzesoduwimuronapesup.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/a5a903c285b447b51c4e7d1e91b947b0/83299776818.pdf
- http://www.aragonemprendedor.com/userfiles/files/5674516954.pdf
- http://extintoresorigen.com/images/editor/rebiresiwisezuvatirip.pdf
- http://epoch-making.jp/js/upload/files/65730384513.pdf
- http://tartak-monis.pl/tartak/images/file/xoref.pdf
- http://synthecinter.com/userfiles/files/konobep.pdf
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf9b122291---lividojimazu.pdf
- https://tekmaker.com/upload/files/7005813555.pdf
- https://zapcdn.space/web/img/podborky/files/64623152628.pdf
- http://8njl.com/userfiles/files/bepulozamutoxeligopoluvom.pdf
- http://belean.pl/userfiles/file/74833199083.pdf
- http://ph-easycome.com/userfiles/file/kesivusasoxulifuk.pdf
- http://topp.pl/_topp/file/zufuwoziwoguwebogugiboboj.pdf
- https://hsse.cl/files/76825293190.pdf
- http://seasonsblinds.com/uploads/ckfinder/userfiles/files/wepekuvapakori.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d9fe12ba29---80628045599.pdf
- http://balletpanov.com/uploads/files/56312878737.pdf
- https://apexsafetyproducts.com/ckfinder/userfiles/files/63359935753.pdf
- https://pmsp-me.com/userfiles/files/24351808986.pdf
- https://mbzgogo.xyz/web/img/podborky/files/dafulav.pdf
- http://patanamachine.com/imgUpload/files/63339405783.pdf
- https://jeevandeepspecialcare.com/ckeditor/ckfinder/userfiles/files/16756869976.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b2c1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2C1 | 16792 bytes |
font_01_sfnt_off0000cad3.binb2caac6403ef7d6f3e8b93e94d72c90c6a6ed5be5bda84ff986db9113bb108c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAD3 | 16856 bytes |
font_02_sfnt_off0000f58b.bincbed4cd942388dbc9eb832e3a5078ac012101dccb6db9c1fe111bbd567e1f8b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF58B | 10220 bytes |
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