MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document contains a link farm pointing to compromised WordPress sites and a visual download button lure. The embedded URLs suggest an attempt to trick the user into downloading a payload from potentially compromised hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9781
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 https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/96c2cba4ee90470feecff70ae94d1d51/fanubolarowewase.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832452c4865---75922272327.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bfb97a13b7cd3acd3f7d90af4ffcceef/sevijewufobegaxumuliwu.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/62ikmj6q7p4bm7rie5chedgj5s/65078566090.pdf
- http://uni-farm.pl/ckfinder/userfiles/files/lesuwirezeze.pdf
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/2pl6lp0vjf9e2jkr6kfmm5j8km/4001060136.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b867f554e30---wekatimewodu.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160afe0139ca0b---21730188399.pdf
- https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/3f3a1cb130e596a1691a84b9ad669279/dopijevugigowa.pdf
- https://ljlconst.com/admin/images/file/rapakozojetiti.pdf
- http://allprintusa.com/admin/images/file/95091550000.pdf
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b08cde63cdd---47749819472.pdf
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16083cca0024f5---fapad.pdf
- http://coss-wynn-reunion.com/clients/d/db/dbe3622004495b304d8703879a486b7d/File/visulok.pdf
- http://barsugo.com/ckfinder/userfiles/files/sasivagolemulivizilukimi.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a56e72038---gitojalasijokenegur.pdf
- https://swift-tw.com/lcc/upload/files/39892933799.pdf
- http://amadpich.com/userfiles/file/leridetazululenon.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/qspkhcl3p00ndiv90atj4ph4h3/miluwowasit.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090953f8d7c8---perifonedulinaturo.pdf
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/5de4a3766ee6d862c512717229c44adf/81824112527.pdf
- https://artenika.pl/fck/file/63741556211.pdf
- https://eletvital.hu/uploads/files/92414242612.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=dragon+ball+z+budokai+3+download+for+android
- 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_off0001c640.bin9b998f8cbb4b0dd5c339255b9231c42a82533b1b075f5cb826868cbc21075625 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C640 | 3252 bytes |
font_01_sfnt_off0001d359.bin427681594e011d98b97c6df2b6c5cb0719a14997784f4d206828ac4a6b600393 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D359 | 18796 bytes |
font_02_sfnt_off000204ae.bin8349805266b3d6bc9b61468c378b1e0735e5d96252d53f494ae71263d29a4211 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x204AE | 10784 bytes |
font_03_sfnt_off00021d79.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21D79 | 16792 bytes |
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