MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as containing a link farm pointing to potentially malicious content. The ML classifier and ClamAV also identified it as malicious. The links are hosted on a mix of compromised WordPress sites and disposable domains, suggesting an attempt to lure users to phishing or malware download pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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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://transchem-tech.com/Uploadfiles/files/43867981722.pdf In PDF document text
- https://audit-advisers.com/userfiles/file/filaja.pdfIn PDF document text
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/biviwagoladobatadofavopo.pdfIn PDF document text
- https://agrimal.pl/userfiles/file/kugenutiromejetujutokuz.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16142a799e12f4---53224545382.pdfIn PDF document text
- https://31app.com/userfiles/file/78665089441.pdfIn PDF document text
- https://aradmissions.com/ci/userfiles/files/2541958956.pdfIn PDF document text
- https://novamakine.com/upload/ckfinder/files/75618366041.pdfIn PDF document text
- http://disonde.com/filespath/files/20210905054719.pdfIn PDF document text
- http://www.ecrivains-consult.fr/easyonline/ckfinder/userfiles/files/lajan.pdfIn PDF document text
- http://mingzhicc.com/userfiles/files/49946146717.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/71f3b5b3eabe9ff237e6e90c1dad5f49/10177871074.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/8vophlfdj9n6bdnu1d9g0dnpah/28067584594.pdfIn PDF document text
- http://alrabbancapital.com/file/files/milujuvinixubusa.pdfIn PDF document text
- https://hondaotohaiphong.vn/upload/files/fesakurinifufuzetagim.pdfIn PDF document text
- https://bunianco.com/other_files/File/3261382970.pdfIn PDF document text
- http://ancient-theater.gr/media/file/zanarusopepapekasidifivux.pdfIn PDF document text
- https://mahae.hu/files/files/47698320191.pdfIn PDF document text
- https://jf-orvalho.pt/userfiles/file/gememixozadugugirofidiwuk.pdfIn PDF document text
- http://squash-fitness.cz/userfiles/file/14261798731.pdfIn PDF document text
- https://mccartha-cobb.com/userfiles/files/79500713180.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fbbde9d16b5fc8907339f13fef1da0eb/gorebijelezivunilusasa.pdfIn PDF document text
- http://innotack.com/userfiles/file/30722590777.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/vesomegugomokuzive.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=labview+android+programmingPDF 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_off00010270.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10270 | 19560 bytes |
SHA-256: c0cea499f3184eed86bccb1f33a37b674882f60fa1017e37176d034f533ae1fb |
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font_01_sfnt_off000135be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135BE | 10672 bytes |
SHA-256: 65a574ac3d58b1a9a04ffc88fa93ddcf7a595c0d111981013d2de9fbd9b0e821 |
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font_02_sfnt_off00014dbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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