MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://mzr-avocats.com/buddha/ckfinder/userfiles/files/vitejoxeg.pdf In PDF document text
- https://stancijanegrin.com/UserFiles/files/24150113386.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/c14lc912i845tbunhduf5q4jta/pejokatoxumel.pdfIn PDF document text
- http://fitnessklub-impuls.pl/uploads/assets/file/xamumezavi.pdfIn PDF document text
- http://michelschuurmans.nl/images/uploads/file/78925256144.pdfIn PDF document text
- http://cityfate.com/files/files/44086166773.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/rumitixubafadapirutalake.pdfIn PDF document text
- http://wamer.org/userfiles/file/55431948197.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/12012921938.pdfIn PDF document text
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/gonivijuwaxexaw.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/49272bfff2e601fad42bd3b2a0fd0bf0/xegir.pdfIn PDF document text
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160803ab222a4a---wakudezelilipaxewe.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a20fb6c6c---85747879870.pdfIn PDF document text
- http://iccj.jp/images/uploads/fckeditor/file/wizel.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbe4707ebc---78917268038.pdfIn PDF document text
- http://vivatbacchus.hu/files/file/62580832990.pdfIn PDF document text
- http://4bx.pl/public/file/76591047339.pdfIn PDF document text
- https://ntwbearing.com/UserFiles/File/dedanosatogexujo.pdfIn PDF document text
- https://drisraadentalcenter.com/userfiles/file/vuwinamip.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1610b1d51aff36---gagipepikesatuga.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/fs0cmog190g50d8ipmavk8iraf/44823024787.pdfIn PDF document text
- http://maxbrio.kr/files/files/xomakojadijilewubexima.pdfIn PDF document text
- http://bookblog.kr/data/file//files/69751427843.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/340c11097b56bc18b491dd1c4a88cb8d/78763792787.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/9459962364984c6786ee78a3dd92b2e7/50589825843.pdfIn PDF document text
- http://cen7dias.es/userfiles/files/23652708334.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=cara+convert+word+ke+pdf+dengan+nitro+pro+8PDF 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_off0000dcb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4CA | 17432 bytes |
SHA-256: 61a7aefe64dac967fa2d3d72599fcfe424d0d97144a1bdfbf782269572987a56 |
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font_02_sfnt_off000121c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121C1 | 11064 bytes |
SHA-256: 40c224a26abe7064a238d163af7520a52a228f36095abd685f28bee51e7c689b |
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