MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains embedded JavaScript and numerous URLs, many of which are part of a link farm hosted on potentially compromised or disposable domains. The embedded JavaScript likely facilitates malicious actions, such as redirecting the user or downloading further payloads, aligning with a phishing or credential harvesting attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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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://garglob.ru/uplcv?utm_term=how+to+setup+live+wallpaper+on+iphone+11 PDF link annotation
- https://paeonia.ch/userfiles/files/80769339645.pdfIn PDF document text
- https://varbackaforskola.se/ckfinder/userfiles/files/76129398754.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/kawijosemubawovarijusim.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9674c530a---83098438429.pdfIn PDF document text
- http://na3.it/misc/file/15341870350.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/28839131665.pdfIn PDF document text
- https://xedulichhaiphong.vn/images/news/files/76472216969.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/rebakazolavisum.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/25632476466.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210903043751.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf453cffaa---93540610460.pdfIn PDF document text
- http://mstreatmentadvances.com/userfiles/files/nabukew.pdfIn PDF document text
- http://sns.hu/_user/file/sujuzaju.pdfIn PDF document text
- https://negaratoto.com/contents/files/binefalogukevulawazobofus.pdfIn PDF document text
- https://apra.pl/files/file/zutulolavutufuja.pdfIn PDF document text
- http://exosushi.com/uploads/files/33696803438.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613639c86dfb2---lavemelu.pdfIn PDF document text
- http://park-seversk.ru/other/js/ckfinder/userfiles/files/kidogoka.pdfIn PDF document text
- http://paliukenas.lt/i/File/xujiselanowobamelagi.pdfIn PDF document text
- https://sluganarodu.org/userfiles/files/32873209999.pdfIn PDF document text
- http://studiosiriosrl.it/userfiles/files/75063025795.pdfIn PDF document text
- http://hferrynetworks.com/FileData/ckfinder/files/20210906_33690E84D8DFF134.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_off0000e053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE053 | 10644 bytes |
SHA-256: 89fccc58fe6bbb57936fc2df7e985e409baf5ad64db7b5429ca073e316a90880 |
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font_01_sfnt_off0000f8b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B5 | 18548 bytes |
SHA-256: 60e2f5f170a0aec385df516ec7fbbff9617e318061ce8790ef28e3fcb3933d46 |
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font_02_sfnt_off0001287a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1287A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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