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 0.9979
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://philabc.ru/uplcv?utm_term=cub+scout+first+aid+activities PDF link annotation
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/205637322dc5a191195333ce3b32294b/xiveburovixofukizojafezuk.pdfIn PDF document text
- https://harteron.ee/userfiles/file/sokibalinajodetag.pdfIn PDF document text
- http://j1medical.com/uploaded/file/nifasovejonofineluxow.pdfIn PDF document text
- http://wpscrm.in/uploaded_files/userfiles/files/nupijewetawu.pdfIn PDF document text
- https://andrejc.si/files/file/wixufogorozerebelama.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/161131efe65021---muzak.pdfIn PDF document text
- http://ithaca1960.com/clients/8/87/874e400c25abfb160fd1c0cf9913fcd0/File/15922555288.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/gitusubajinijuzomu.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160abd0225db3b---jijobajaja.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/ba5de1855b069d27a2682c8f5fd9bf86/tonazatigabojuvori.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/2r11vj87h1br4v7at2hofstm3p6sdcbb/36677986123.pdfIn PDF document text
- https://hantverkarenisandby.se/UserFiles/files/porug.pdfIn PDF document text
- http://loca-granderoue-montaletang.com/ckfinder/userfiles/files/85735176594.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160afe681e407f---vabawotemukobob.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f924669b79---69511179700.pdfIn PDF document text
- http://olympicburger1988.com/uploads/files/desirupiki.pdfIn PDF document text
- http://guss-ex.de/uploads/fck/file/xejuko.pdfIn PDF document text
- https://cooperspick.com/files/sulimivivevufamabo.pdfIn PDF document text
- http://janjoling.com/public/ckfinder/userfiles/files/pajemexelipuxitufufev.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/0fe9bc3043392fe7dec00bf15ef65748/15762127847.pdfIn PDF document text
- http://nationalherbo.com/userfiles/file/11612186673.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/3205025c49e3adbb362df2f6e216bc96/89939326270.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_off0000f6c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C6 | 10656 bytes |
SHA-256: a4a44ccf020a1e34448a080d7ed74869a947630d7bd71b37cbb55551a1d725d0 |
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font_01_sfnt_off00010f70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012782.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12782 | 16984 bytes |
SHA-256: e99e8861bf729e64c71ab80840f17bd87630f9efb4a891e6107874bd6b2d28fd |
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