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 0.9978
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://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e64267bb9---pefagivolil.pdf In PDF document text
- http://wearebryants.com/clients/3/3b/3bb22ab34fb8fe691aabc4d0498f9caa/File/52195387149.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/f3c2fd13018027a37fdc6c4b26975beb/48921868793.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/77230510416.pdfIn PDF document text
- http://aweibel.com/Photo/file/davaruw.pdfIn PDF document text
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/238296d14425a53c0de8e23c7f2b77ca/35857382295.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/dusaxonabuz.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a03a082c1ed---vobadebivogoxuvi.pdfIn PDF document text
- https://ceccargiurgiu.ro/userfiles/file/forudusoxuxigipejo.pdfIn PDF document text
- https://pacpartner.net/images_client//imagesfile/86293809228.pdfIn PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/fexegeratulitiwogi.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/8615c02d8c91ca1e44c5775b813d3f20/votivero.pdfIn PDF document text
- http://thetownsendfamily.net/clients/a/ab/ab79602242cca8f930cd52af13df1d51/File/jutapigoduzujo.pdfIn PDF document text
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6000401a4---85532025114.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160edc4ef62cfe---kugobexijusafabuveditodip.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/e334c531a78bfa0ce1accdea0d3592d9/rewixasozunugokowatis.pdfIn PDF document text
- http://ahlhy.com/uploads/file/020803307115.pdfIn PDF document text
- https://fotoprint.lv/downloads/file/45822651387.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087838356069---55959825768.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160e1bf044d670---66334872437.pdfIn PDF document text
- http://honderhotel.com/UploadFiles/FCKeditor/20210723030858.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/d346fb1cb98165ccc75262a3b4d12d91/54602869783.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/4682589c618fb6544c8c73740f058e09/55762301937.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/zolakisikedagareripi.pdfIn PDF document text
- http://kibbkw.com/uploads/file/99059000502.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=new+year+poster+template+wordPDF 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_off0000d6e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eef4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF4 | 16664 bytes |
SHA-256: 2f7b3ef94dc89c376d7a69cecd2f860ad6bf3b6065028c64866a9d51f1daa961 |
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font_02_sfnt_off00011a82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A82 | 10532 bytes |
SHA-256: 27b7825adf60956c3bd179fe05758d052e313aae26f296d108ac659b3aa20dc7 |
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