MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by a machine learning classifier and ClamAV, flagging it as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload directories. These links likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://micast.de/wp-content/plugins/super-forms/uploads/php/files/0erl5issqf5oba486snju2o9cb/63290523602.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/8b678848f5650acfabc2fc9e01c0b7d6/86479623089.pdf
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a2073d9e746---48934796313.pdf
- https://autotrans911.com/thread/admin/uploads/file/24486451075.pdf
- http://beijingxinzhi.com/userfiles/file/20210518001655_1108499576.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608d02cf2a21b---fofetadi.pdf
- http://agnieszkapawlik.com/userfiles/file/suzumonigegoban.pdf
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/ca683c19f95462da2732a48b0cba7e4a/45281843126.pdf
- https://tyko.pl/userfiles/file/digejiselifibepugofojojo.pdf
- http://piri-piri.pl/ckfinder/userfiles/files/jitujefadenamaxalebepab.pdf
- http://askort.pl/Upload/file/guvopigokavisesivogimig.pdf
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/ad9f18c2aa8012bb5ab7cd1dd28d46c7/vavikiratazu.pdf
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/573de702e2a774f88f031d52a0d32514/71017874875.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/2604b3eac63dc651240a59c8a3608354/79004066303.pdf
- https://annjulieskarpmo.com/userfiles/file/gokedekefakewoj.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/a26d1416f08f46c205694dbfec0c8932/8835640820.pdf
- http://gpszone.hu/upload/userfiles/file/bawigalidago.pdf
- http://thuephotocopytaihanoi.com/upload/files/35967295091.pdf
- http://weymouthhighschoolclassof62.com/clients/5/50/50fe23896e84432c97ff20d680692bb9/File/rarawiledepejode.pdf
- http://alfavit.tv/userfiles/file/tijosasulomo.pdf
- https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/nj8cc7vg4sf41s7hl21sl6n704/tulikane.pdf
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/5f5a5aaded195733f300ccf78e923dfb/33311541400.pdf
- http://ajivikafinance.com/userfiles/file/rosibofoneveb.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=that%27s+too+bad
- 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_off000101c6.bin8d90e2696b22acd931e5918360231a8e927930053dbc0ea813fb029f18f5f524 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101C6 | 10008 bytes |
font_01_sfnt_off0001182a.bin41434292944d82666ee939328642c3a344b5b850a52b3f235dae29c937466df9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1182A | 16936 bytes |
font_02_sfnt_off00014463.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14463 | 16792 bytes |
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