MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload storage, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous URLs, many hosted on compromised sites, strongly supports the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/33b3081c8d4a063db11b9463a882b89d/55690966597.pdf In PDF document text
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d33df58ef1---medukivi.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/41ca072eb196950c5f719cde103d0aa4/busobefoxopagukoluwa.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/2783b6ee1739dd7c09f9b897ed7f2d5e/pilofojenonijelaru.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/29bead2c76a754b9cb1ea05012ff8fd1/debufisadazatel.pdfIn PDF document text
- https://binarbaidrealestate.com/public_html/userfiles/file/16055080789.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/0dcc0df3f9e1df638ca3ff381402ae81/79129783991.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/2fc8117f89f0e04fa917fcef0b585328/wogisemuxezeduvekazog.pdfIn PDF document text
- http://peneleos.pl/userfiles/file/55446207073.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/9696841227.pdfIn PDF document text
- http://chukgoobok.com/files/fckeditor/file/vulexivolu.pdfIn PDF document text
- https://kultmotor.hu/images/files/34467433391.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/itkhdgpg5ldr28r8v5ttnnq9s0/63417645212.pdfIn PDF document text
- http://rentaruedas.com/files/others/58758624835.pdfIn PDF document text
- https://artbynela.com/uploads/file/17388055933.pdfIn PDF document text
- http://djarkitek.com/temp/vinney/HTML/userfiles/file/bujurifumavuxuj.pdfIn PDF document text
- http://i-daa-wl.de/userfiles/kemegika.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/jsjlc4vedah6jkk973germtkii/kotafowelunememed.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/2a0f6463548cd4dec86ee549a923448b/lodevuwutowidukitafowetem.pdfIn PDF document text
- http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58173580553.pdfIn PDF document text
- http://makesrealsense.com/ckfinder/userfiles/files/86276841884.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/s9nr2atjgkq9p3l7pkpri6c587/74349540301.pdfIn PDF document text
- http://plnjl.com/userfiles/files/pusarapagebajobu.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d100cb966---56699286964.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=how+long+can+chicken+stay+in+the+fridge+rawPDF 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_off0000eadc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEADC | 11040 bytes |
SHA-256: b76414089b2ce0846fde5f9b57bbb233296410bbf1077d8b1ca092ab99a06457 |
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font_01_sfnt_off0001045a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1045A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C6C | 18352 bytes |
SHA-256: ef116037b28e5e79c3b6c9c039064f2d67ea496d80c581f543c58f289dfca1f4 |
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