MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, hosting numerous links on compromised WordPress sites. These links likely lead to phishing pages or further malware downloads, aiming to exploit users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9884
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://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089fa005ac99---lalewokugosunabutivolosoz.pdf In PDF document text
- http://assushop.com/userfiles/assushop.com/file/luzinowosiwej.pdfIn PDF document text
- http://dongfangguohua.com/ckfinder/userfiles/files/86439154143.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070af5935495---nelapikubopazebi.pdfIn PDF document text
- http://global-leasing-management.com/uf/file/27863667908.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b4c7bd927---vanusododulaka.pdfIn PDF document text
- https://adikketiga.com/contents//files/pisapolesuzixutasev.pdfIn PDF document text
- http://saothienemb.com/uploads/images/files/supegubuvofunusu.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/55476951196.pdfIn PDF document text
- https://growyourmoney.in/userfiles/files/piroluxosizoj.pdfIn PDF document text
- http://www.psoevalledeabdalajis.es/ckfinder/userfiles/files/junupizurepivikipu.pdfIn PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/03966fcd67482baf8dd44d5313fd507f/98352297253.pdfIn PDF document text
- https://opescom-store.com/uploads/FCK_files/file/gobujaribizonapoxibutotof.pdfIn PDF document text
- http://huzatfokozo.hu/editor_up/51404493665.pdfIn PDF document text
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/20dd7f4ed1a5b0eb7a52dd02674f24e4/71369466174.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160896ceb61d26---89837944769.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/19930516345.pdfIn PDF document text
- http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/55679625499.pdfIn PDF document text
- http://shopcode.ru/uploads/file/78712696213.pdfIn PDF document text
- https://autotrans911.com/thread/admin/uploads/file/10940513941.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/e2cb4bf3418078b39ca80fb1ed24c63b/29732068055.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b64c877d8ac---69662734298.pdfIn PDF document text
- http://truhlarstvisollner.cz/data/file/nijefonur.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096200060c85---20770122417.pdfIn PDF document text
- http://ukicda.com/admin/fckeditor_upfiles/file/2021061809560880554.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/ffbb6145f7333293bb2e16697e08fd37/faluvewovar.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=ejercicios+de+caligraf%C3%ADa+para+adultosPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e738.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE738 | 19784 bytes |
SHA-256: c97fbe456c9b1142369660a5c78454b60de836db655a9b86192ee8e5257fc22f |
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font_01_sfnt_off00011963.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11963 | 10964 bytes |
SHA-256: 0858d30b7227a6395e7f560b7e665eb9c045624063378e2980e45adaa2e75253 |
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font_02_sfnt_off000132ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00014abc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14ABC | 16488 bytes |
SHA-256: d0e02ea597b059e12c640018e4c0b859d2fbe31b167f59dc9fd0dc6423c65742 |
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