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://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/b92ba5f4f7cab96f4c9553ef544f60d6/11201644056.pdf In PDF document text
- http://fashioneducation.ru/userfiles/file/83528870378.pdfIn PDF document text
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d18a440b43---6217609612.pdfIn PDF document text
- https://majubesar.net/contents//files/watilejapolewe.pdfIn PDF document text
- http://abwva.com/uploads/files/36446810909.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b231a15c098.pdfIn PDF document text
- http://cnex.cc/images/blog//file/tetujaxoteloladerovemab.pdfIn PDF document text
- http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/42700989671.pdfIn PDF document text
- https://shreenathtechnologies.com/userfiles/file/19534148458.pdfIn PDF document text
- http://worldwidefilipinoalliance.com/uploadedFiles/files/sugowezorizazifo.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/mabeletudunarewur.pdfIn PDF document text
- http://citygclub.com/ckupload/files/zedovudaluxus.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/3047f4f6ac3c1b88c09e3beffe0e3618/30468761510.pdfIn PDF document text
- https://tonwen.org/userfiles/file/fepidulejulezatavu.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/gezejukuropum.pdfIn PDF document text
- https://bya-ingenieria.com/ckfinder/userfiles/files/bizazonawibo.pdfIn PDF document text
- http://naszymsladem.pl/upload/file/nuniluvogamosevilut.pdfIn PDF document text
- http://staceyasp.com/UserFiles/file/lowunideluxeluboxup.pdfIn PDF document text
- https://almuhja.net/ckfinder/userfiles/files/tofixavijumizanuf.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/walevem.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/42e13b20bebce748b2c7585d281a2e21/73217237382.pdfIn PDF document text
- https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/9a2bcefc04775e3b9874a41725a45e47/92802558539.pdfIn PDF document text
- http://lorichphoto.com/pictures/file/govegagomam.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/1410c330449f0130d1a1541f92269370/68345220079.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=computer+science+book+for+class+10+federal+board+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_off0000ddf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f608.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF608 | 11320 bytes |
SHA-256: 78badbf4f6fc667eb6a3949c9dc5690c002eda4b1bfc49fc149bd77417edceb2 |
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font_02_sfnt_off00011074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11074 | 18344 bytes |
SHA-256: 07d4c859c7b976b24a2b1f15796c74b72d862b4bab53d53cf5c3c41326996095 |
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