MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many pointing to compromised CMS uploads and disposable hosting, indicating a link farm designed to direct users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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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://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/ce44c2d15386d0cd7936f9aa9a9fd7bf/71951647323.pdf In PDF document text
- http://teacherandtraining.com/coj_u/KK/userfiles/files/44971758757.pdfIn PDF document text
- https://istruttorecinofilo.it/userfiles/file/99419614357.pdfIn PDF document text
- https://produktybhp.pl/pliki_user/File/wototimukako.pdfIn PDF document text
- http://dailymaydemtien.com/userfiles/files/givegeva.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/2021952329584160.pdfIn PDF document text
- http://primeasset.hu/fileok/file/dakesuzofulogenes.pdfIn PDF document text
- http://agama-rc.com/upload/files/nexezowizakagu.pdfIn PDF document text
- http://turinhotelcompany.com/userfiles/files/fubixokizivu.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132cce4a6fa6---fazuwigujugegapobodixodof.pdfIn PDF document text
- https://learnrkb.jugalbandiresearch.com/ckfinder/userfiles/files/teluzalaberoxovesufezat.pdfIn PDF document text
- http://lapawan15.com/shop/fck_file/file/1086517767.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361dcc3687c---82969488353.pdfIn PDF document text
- https://tuinvandecruys.be/file/97199319060.pdfIn PDF document text
- http://weingut-suppan.at/files/legazolewumat.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/d83e05459796faa0f2bbc50eb0be010d/41469955678.pdfIn PDF document text
- http://agroanaliz.by/upload/editor/files/2281423324.pdfIn PDF document text
- http://siripanyalamphun.com/user_img/files/zafuves.pdfIn PDF document text
- http://www.dogwoodagility.nl/ckfinder/userfiles/files/salitavuramofunogedufu.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/gewajuz.pdfIn PDF document text
- https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/75121464295.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=nickname+generator+free+fonts+name+creator+symbolPDF 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_off0000d362.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD362 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB79 | 11000 bytes |
SHA-256: 8205f76f879610b75fd55ee7568769cb84cdc35b9394d5374bb951f0818b50fa |
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font_02_sfnt_off00010518.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10518 | 19800 bytes |
SHA-256: e1699085ae738be5bda4a5c3a7aa3d9bab66d78862bca8e604583056a1057fdb |
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