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 0.9737
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://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091965c629f6---98289868636.pdf In PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872cd089e31---7661263806.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/zupazegevogewamawepadus.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16082c442da25f---89498756244.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d45e0d6408---75987732843.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607465ab507e4---gepurafimoverebotewijoxa.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c807938f9c---xafupofida.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/ruboxewag.pdfIn PDF document text
- http://kasargod.net/uploads/file/gixedolawugej.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/40443636911.pdfIn PDF document text
- http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/parej.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/a8cf3e26e64a886c1002697afbfcff1d/34419838287.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c17d3bde986---zirujovidoko.pdfIn PDF document text
- http://xn----7sbabjkhbzbqti4a3apfmdd2s4b.xn--p1ai/ckfinder/userfiles/files/74742131294.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/86356797400.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089e5c620197---90620640759.pdfIn PDF document text
- https://hanahana.vn/media/ftp/file/63048812746.pdfIn PDF document text
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16093f361eac3c---33752857682.pdfIn PDF document text
- https://onhimalayas.com/ckfinder/userfiles/files/fudolavuvixewosetazexin.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/80f69b09b840d6ba65417175a268e651/gididuzinet.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/dff7d51b509eee84b457fcc8d85a0248/texinijavukutigigiguruv.pdfIn PDF document text
- http://www.agenbenangbandung.net/file/83106523263.pdfIn PDF document text
- http://hubbardfamilycircle.com/clients/62940/File/pajajun.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=lagu+bts+boy+with+luv+mp3+downloadPDF 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD65 | 11240 bytes |
SHA-256: 8f8549e0a5b22d33a60b2a4561b7e864e91d5b004c05604e610c60d1da7635eb |
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font_01_sfnt_off00011736.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11736 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F47 | 16252 bytes |
SHA-256: d5d3a423d9de8a0f379540f0add72139cfe6b6437b31b4d53b6b5d766b59ed9b |
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font_03_sfnt_off00014512.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14512 | 2992 bytes |
SHA-256: 31e237db12557432d81dce809c8de3495154c984a5369a568323ab2f3d92f435 |
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font_04_sfnt_off0001516a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1516A | 19536 bytes |
SHA-256: 39d9738fe01e3aead629caa3736d3621d490200b447bffa468b2b2a1edba3594 |
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