MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded URLs are consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://ketchas.ru/uplcv?utm_term=full+hd+video+download+vidmate PDF link annotation
- http://vlajamo.cz/images/file/72394896508.pdfIn PDF document text
- http://planbmedia.hu/files/romirozugulipan.pdfIn PDF document text
- https://aristi-trap.com/upload/users/files/tuzapa.pdfIn PDF document text
- https://hongdung.vn/ckeditor/images/files/futewefamedukemogeneme.pdfIn PDF document text
- http://shop-cartuning.pl/userfiles/file/11217090159.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/jeburomeririjavimejavife.pdfIn PDF document text
- http://kristiankutschera.de/userfiles/file/dotazivagewamajabofofos.pdfIn PDF document text
- https://extremedriveline.com/ckfinder/userfiles/files/30829536250.pdfIn PDF document text
- http://wonsakai.com/uploads/files/46070257443.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/324e33f63b0dfce3439397975f73c484/60439587369.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/161469dcc256e1---71428481852.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16130301e46c14---73143735161.pdfIn PDF document text
- https://datawire.gr/files/files/kadet.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/walasagamujiv.pdfIn PDF document text
- http://gzmingjun.com/uploadfile/files/20210907_063735.pdfIn PDF document text
- http://cserepakciok.hu/xdata/file/fefadafezaki.pdfIn PDF document text
- http://auto-rad.pl/userfiles/file/59448868178.pdfIn PDF document text
- http://www.espaciocultivarte.com/ckfinder/userfiles/files/85431889082.pdfIn PDF document text
- https://vanrun-it.nl/userfiles/files/mazozatowizoretoxaxuvi.pdfIn PDF document text
- https://casabresciani.it/uploads/file/xirijaforodovunokodoviw.pdfIn PDF document text
- http://chiangmai-esc.net/user_img/files/9734017976.pdfIn PDF document text
- http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/jibawobaxati.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-19/20210919101928117597.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_off0000d9fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9FA | 17228 bytes |
SHA-256: 2aead1f4fe02347ca5f02ad7c7e9ddb16bad49c028f5fd6e2c43af332277c5d5 |
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font_01_sfnt_off000106af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106AF | 10476 bytes |
SHA-256: c6a592a9433fb9eaca339c7f5b472de764e543924cb6f0d96e3242bcdda68f27 |
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font_02_sfnt_off00011e4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E4A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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