MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple links pointing to compromised WordPress sites and other domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection or download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085772009048---luzifuxusuf.pdf In PDF document text
- https://europartner2.pl/uploads/fevajig.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/wiliduvurenosas.pdfIn PDF document text
- http://sibaco.ru/ckfinder/userfiles/files/66682570375.pdfIn PDF document text
- http://www.aaar.cat/assets/js/ckfinder/userfiles/files/xuzavavagabali.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/f0b068592f7182c34cf071e9a718e108/5210680984.pdfIn PDF document text
- https://santa.my/images/users/00000000/files/56025568272.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/disejodetu.pdfIn PDF document text
- https://fier-forjat-valimet.ro/ckfinder/userfiles/files/98245510214.pdfIn PDF document text
- https://rowadalbyt.com/userfiles/files/98276714207.pdfIn PDF document text
- http://fxmeat.com/upload/file/7392f04ad9e4e88393f55c385ab69e9e.pdfIn PDF document text
- http://veno2.com/upload/24451749741.pdfIn PDF document text
- https://digireg.li/upload/galipewenaxubonida.pdfIn PDF document text
- http://enidental.com/userfiles/file/20210831151558.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/e70a54947a2e33ee427dcb22933bb561/30325765929.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/pm5qd2roo6l3l0mvvfhhe3oqv6/12926501681.pdfIn PDF document text
- http://bong-dem-long.org/upload/editor/files/xupuj.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160871f5ceade0---wevivez.pdfIn PDF document text
- https://menlopark.com/wysiwygfiles/file/kobaram.pdfIn PDF document text
- https://curvy.tw/upload/files/82226040266.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/zubudadatesemetozabera.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/44280614302.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=chennai+district+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_off0000c34a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC34A | 10752 bytes |
SHA-256: cd54977f24e2d3ff42a942b0b0ad7845cfdd77782903d84b74431b575008c380 |
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font_01_sfnt_off0000dbd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f3e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3E6 | 18540 bytes |
SHA-256: 53d490e661f045bf2147684e28e61bcfa5886223fe3a641d243d931634f569bc |
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