MALICIOUS
156
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 numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The presence of embedded URLs further supports the attack pattern of luring users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://allytemp.ru/uplcv?utm_term=pubg+lite+download+obb+file+and+apk PDF link annotation
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145779ac6539---48907753539.pdfIn PDF document text
- http://appli-veolia.net/ckfinder/userfiles/files/sotajelapefolutul.pdfIn PDF document text
- http://suachuamaydemtien.biz/userfiles/file/moxigudutifekonilitaridu.pdfIn PDF document text
- https://jeneifogaszat.hu/cikkdata/files/wujexe.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/sunajuwanorafubime.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/70344345337.pdfIn PDF document text
- http://zapatosperezcabrera.com/ckfinder/userfiles/files/vuvunoxusi.pdfIn PDF document text
- http://bukharajohnscreek.com/sites/default/files/file/49861748610.pdfIn PDF document text
- http://herbwaterthailand.com/userfiles/files/24756557472.pdfIn PDF document text
- http://lonerangerfanclub.com/ckfinder/userfiles/files/14569564866.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/pifudoboxapofosetoreta.pdfIn PDF document text
- http://harringtonandlombardi.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wilagufiraker.pdfIn PDF document text
- http://mitsubishilongbien.vn/images/ckeditor/files/fonabu.pdfIn PDF document text
- https://teamcode.net/upload/files/53738871702.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/4647885965.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/jobolewedo.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/7872625d4f51f9b7ff6e4c495329de7e/86089919926.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16141e09141580---kirasizez.pdfIn PDF document text
- http://zhatuogz.com/uploadfile/file/26355882111.pdfIn PDF document text
- http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/fuzujikonivef.pdfIn PDF document text
- http://restavratorstvo.com/ckfinder/userfiles/files/26617512349.pdfIn PDF document text
- https://hexema.com/FCKeditor/file/4269059581.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_off0000b35b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB35B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB72 | 10824 bytes |
SHA-256: 2e219d9f5daff700890296300e6931dd730d98d9558994af5947739f618a80bb |
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font_02_sfnt_off0000e427.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE427 | 18540 bytes |
SHA-256: 8db7d957cb6fec8bfc64e9d747e570ced1ef25761d47a9914038a49f4a10bfd1 |
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