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 0.9990
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 http://alpanelektrik.com/depo/sayfaresim/file/givebirikeno.pdf In PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608734e0c2089---31680692304.pdfIn PDF document text
- http://akinmedical.com/uploads/file/82109571440.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/31151570487.pdfIn PDF document text
- https://astdubai.co/userfiles/files/16576973438.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/aeeaiubkqja7es1ii7kvfvbif3/nimer.pdfIn PDF document text
- http://gesundezellen.de/neu/userfiles/file/nenuwolusezagukiterufu.pdfIn PDF document text
- http://xn--989ap7r0xbd5x.com/upload/fckeditor/file/89350398425.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ccf95ac2604---deresejuzafinovifiv.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/565810982461fca334658d5f17b21029/32395899969.pdfIn PDF document text
- http://sumbulefendiegitimvakfi.com/resimler/files/36023678822.pdfIn PDF document text
- http://kath-kiga-bw.de/bilder/berichte/file/xadavisomalosu.pdfIn PDF document text
- https://szelvedojavitasmiskolc.hu/files/files/91679981963.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf99f2a948f---70357811189.pdfIn PDF document text
- http://woods-china.cn/ci2/userfiles/files/20210814004527.pdfIn PDF document text
- http://csc028.com/userfiles/file/20210612202734_sof57p.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607911196b249---64315567501.pdfIn PDF document text
- http://goozzl.com/userfiles/files/gopipalufovipipopowifided.pdfIn PDF document text
- http://oodow.cn/upload/file/210708080506874305aggxvhg959w5.pdfIn PDF document text
- http://www.greenfield-sustainability.com/images/files/lonivutazenariwegigi.pdfIn PDF document text
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/5e2eb7c0a80127347d5ef6b89f24a407/fesiniranapo.pdfIn PDF document text
- http://synphabase.ch/upload/file/29317362215.pdfIn PDF document text
- http://partner-support.net/user_data/userfiles/files/gonaxogopukuxovo.pdfIn PDF document text
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/645c7530f59e2380203ff19fc697d617/94846548707.pdfIn PDF document text
- http://schroniskoorzechowce.pl/ckfinder/userfiles/files/91663150502.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=ncert+social+science+book+class+9+solutions+pdfPDF 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_off0000f5bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5BF | 17292 bytes |
SHA-256: 41524343e237e45449bbcce77791cf45672d35cdc607c683d64b9a78d8154c4e |
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font_01_sfnt_off0001233f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1233F | 11092 bytes |
SHA-256: 656fa8c3665b203049f090840b9e64c27b3400bfc591b4ba537a84168e6e2a1f |
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font_02_sfnt_off00013d09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D09 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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