MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to WordPress sites utilizing form upload plugins, indicating a link farm designed to distribute or host malicious content. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 6
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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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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://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088b3d7493dd---94291242158.pdf
- https://icoachyou.biz/images/ckeditor/files/basexununolurigesi.pdf
- http://kaithompson.com/userfiles/file/93409294293.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/vbgg9pm5eu4r9in2e48bvt6vaj/xinegotef.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160740bb9d05ae---85948633527.pdf
- https://leavereview.com/customerinterview/ckfinder/userfiles/files/96508453556.pdf
- https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/7dv7jhiqbnvnu74jq63pb6l0mc/rolifafadanos.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bccc5987517---fejim.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607666245b826---vagawakoma.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec80a8d051---95313758953.pdf
- https://euroroma-bg.org/files/file/doponi.pdf
- https://confetti-seasons.ru/upload/files/47093007051.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3726677b1---64080028018.pdf
- https://rendiamovisibiliglinvisibili.org/file/64994740135.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/8uilic428jvafqis87i856r6ag/74705690535.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607acb295ae5d---rijivi.pdf
- http://paulsaperstein.com/userfiles/files/62168118275.pdf
- https://bouwservicewinthagen.nl/userfiles/image/file/61071146768.pdf
- https://solidpractise.com/files/userfiles/file/donulepoxenukowafa.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16087991d45734---lotasaladu.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c45d220296---21151120264.pdf
- https://roweryelectra.pl/app/webroot/uploads/file/16236027184626.pdf
- http://apexnepaltravel.com/userfiles/file/zifenegevevefepetev.pdf
- http://anthonyvienna.com/sites/default/files/file/17399146622.pdf
- https://bangvetthuong.com/luutru/files/61568670286.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607293966e7af---sudojajugadosowip.pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/7236929042ee5faf8988e5890bf90777/lisewedaxisuxigelodut.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=holiday+city+silverton+toms+river+nj
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e101.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE101 | 16792 bytes |
font_01_sfnt_off0000f913.bin9446bc87d8c396003430cd0a747ebf9aa46098c0ff095c1663b4fd2842e9785a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF913 | 17444 bytes |
font_02_sfnt_off00012731.bin7d3567061baffd1f58e0140e824f6d77a1477723e9892c9886e45ffb56a6508a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12731 | 10832 bytes |
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