MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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.argentum.com/wp-content/plugins/super-forms/uploads/php/files/9duonncn14hmau23r4o9jr6ch9/tozatadabamikosipipija.pdf In PDF document text
- https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875824543d4---gawiver.pdfIn PDF document text
- http://angeladaniel.de/uploads/files/bogumu.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/cf3075013a2358e4987c8cb07174836a/93304115347.pdfIn PDF document text
- http://gistys.com/userfiles/file/96794862099.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b23bd24cfc3---27580659334.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb88c0c14a---bumiwalobofederegagare.pdfIn PDF document text
- http://escuelasfutbol8.com/docs/files/gawexe.pdfIn PDF document text
- https://ms02bet.com/contents//files/vifoxadakozusuzuvolel.pdfIn PDF document text
- http://apexnepaltravel.com/userfiles/file/piluxujeto.pdfIn PDF document text
- http://klick-tipp.info/ckfinder/userfiles/publics/files/788480759.pdfIn PDF document text
- http://buddhavehicle.com/userfiles/file/bawubozupiruvezafadepaxa.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160be7d85970b6---femetegasu.pdfIn PDF document text
- http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/80359390542.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160773ac72c9c9---38833818663.pdfIn PDF document text
- http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/ziwafi.pdfIn PDF document text
- http://flex-link.cn/uploadfiles/files/81483608110.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607455ff15bd8---4528747399.pdfIn PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/905e16fe59116a24015c724dc643b735/metipipisod.pdfIn PDF document text
- http://czpohledavky.cz/userfiles/files/zezuw.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/1i9o2k0cn2l9asak9nu3abss55/votamuduwefam.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/01c62fc02af78f96852a887deacde13e/japevibojukonok.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c585a4ce51c---17232048650.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/s8mvv54nmmsjrul676go2tutb3/vasitu.pdfIn PDF document text
- https://suma.ca/upload/editor/file/22796970812.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=stomach+vacuum+exercisePDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/69825313061.pdfIn PDF document text
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f6df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6DF | 10688 bytes |
SHA-256: 9e11d8f807ed1d7b12e3389a74aa02b40bd4b39adecb423d77845f173adbab04 |
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font_01_sfnt_off00010f78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001278a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1278A | 18468 bytes |
SHA-256: fe714cbe322ccb1dc5e97efe547726a7ced23cf70cbc118073fc1b052028b7c4 |
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