MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites utilizing the 'super-forms' plugin for file uploads. This structure is indicative of a link farm designed to host malicious content or redirect users to phishing pages. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://bringem.de/wp-content/plugins/super-forms/uploads/php/files/e62c762493444228794c80b5aefb0ec0/nulibe.pdf
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/fb70t9ga5dqnnlunjum4tokihc/jajibejabuvoralanedorod.pdf
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/8439865171.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d50d2194a---binulonezibon.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/mh4hcimo3f8elubt3fub1u4u6c/rabusiwulowovubinatavul.pdf
- https://debcopharma.com/userfiles/file/lanaxokitawu.pdf
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/11355941651.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/5aj4be6fc85s8dat3175p95t8h/74895575700.pdf
- http://abaj.cz/UserFiles/File/11646799243.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/ouvo5sn3k0ghkirmkeshtt10id/16366885946.pdf
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddf4a910c2---mawipurifozex.pdf
- http://goldartline.ua/userfiles/file/13804961818.pdf
- http://qiangka.com/ckfinder/userfiles/files/kelutipibatemategovi.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/eeb17ffc691f5420b8774b58484f3e25/63562817177.pdf
- http://royalproductsonline.com/userfiles/file/10277860217.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbfffeccfe9---57728116769.pdf
- https://sportsht.com/userfiles/file/vixeliluteloregixumog.pdf
- https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/1f25a85419afb53e6ead93fba9bc70d3/pitisonuxeviti.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ed02c4e1e---lisurinukekabotexafex.pdf
- https://transport-vehicules.fr/userfiles/file/sovexabozolem.pdf
- https://brod-plovdiv.com/images/xajeketabebuwi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=3+squares+rice+cooker+user+manual
- 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_off0000e82a.bindf8c7014ebaa0f4c50255f17ba79a15ad57f89b533c9f4aed7cfedbd6029f977 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE82A | 10708 bytes |
font_01_sfnt_off000100a9.bin77bf0bb770bf97aaafcf90e83dc96d7980f2f1c6e68fa7d4f5be3644cefd25bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100A9 | 17672 bytes |
font_02_sfnt_off00012e3e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E3E | 16792 bytes |
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