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 compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. Heuristics indicate it's a link farm on disposable hosting and ClamAV detected it as a phishing trojan. The ML classifier also flagged it as malicious with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9945
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 http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f842f1898---muzobuvonixa.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d636f65276---65066115020.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075d465832be---falolagifivuvuler.pdf
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/r5maltgf78kt9jfefivi24j37b/wadejeze.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1e28ac356---malebasorirowegorazul.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16087b2fe657d4---84580875917.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609269629b660---mugubodezub.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/585ee157e088194be566de8415d619f6/26610684363.pdf
- http://alexsrmenchion.com/clients/b/bf/bf5401b25fe3457642f5a6f1150d5537/File/46607426494.pdf
- https://africanresearchcenter.com/userfiles/file/buzuduzexami.pdf
- http://sl-light.ru/design/img/upload/file/23408253475.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160c32320102da---pepofopapinusel.pdf
- https://ckmusicdesign.nl/userfiles/file/kozaxunirekekejojaxuduz.pdf
- https://aartipalette.com/userfiles/file/60263961212.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/97c204aabb06faf6ee1a6f607968f0da/81917873073.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/129772920e934c4e340e5f4a10b5f508/72392415538.pdf
- http://mazdooradda.com/userfiles/file/rukemavagesonawelefoxoz.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/0ef0adb192c4f799b496ddab63e7c59f/nevemozodojonodoxelevipi.pdf
- http://mhinflatable.com/upload/file/dupegixegozube.pdf
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/6a060a8861ec45822968506759c75ec8/41282386543.pdf
- http://asbu.net/uploads/FCK_files/file/kakogasukuzaditewopa.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=gimme+a+holler+meaning
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f815.bind0e02ea597b059e12c640018e4c0b859d2fbe31b167f59dc9fd0dc6423c65742 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF815 | 16488 bytes |
font_01_sfnt_off00010f01.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F01 | 16792 bytes |
font_02_sfnt_off00012718.bin7b7fd68c0f1ee250dd40c0337492bbe38e5784d4003bdee78ef948e56f70b75d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12718 | 10328 bytes |
font_03_sfnt_off00013e1d.bind0f4860c1adf5f60ba6d547dd01eb222d4499af468672230186b0b3173530b9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E1D | 18036 bytes |
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