MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous external links, many pointing to compromised WordPress upload storage or disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the nature of the link farm and the detection names imply a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://tecumseh1962.com/clients/85183/File/5863994545.pdf In PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/fajasodezijilubaxukexeb.pdfIn PDF document text
- https://aksusu.com/upload/files/78020159576.pdfIn PDF document text
- http://desagresbrts.com/clients/34568/File/77909674178.pdfIn PDF document text
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/1c62839730fbe0fbed32c1ff0fdadebc/jijomanapezibiwonedajinof.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160e779bf60e34---lakejekilule.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160968fb2b428c---12480424543.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a571379d3c---27248433069.pdfIn PDF document text
- http://tw-sincere.com/upfiles/editor/files/ravakodam.pdfIn PDF document text
- http://veterani-pushkino.ru/userfiles/files/fefejovanusewomujuzokalo.pdfIn PDF document text
- http://kaowei.tw/image/files/20210530_123215.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad723aad13---19515077974.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd858d9a06---bijirexexeve.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/bc553bc7cb3d1a17b67b599e3c8a6a18/20255741573.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a5ece493a---86374707677.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609300cf9af8e---zinuxejagudavege.pdfIn PDF document text
- http://www.saaegfpolis.org.br/ckfinder/userfiles/files/jikefiputaf.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/36cdfc0a6795340a5f5fe7baec770683/73476995828.pdfIn PDF document text
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/47123571549.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/o0es9dflio51p9qoom4uja65v0/xawavosopoxowomoma.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae60a0ef82d---nokazujinixifibowujik.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/5e71475c708c41b6501ab539f7eb2d62/vemikovofi.pdfIn PDF document text
- http://geasit.it/userfiles/files/gewosuzavibak.pdfIn PDF document text
- http://cinstech-inspect-survey.com/fckeditor_userfiles/file/nosetoludidikesigalo.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdc302de45---paxabarataxikupapewerelit.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=intro+to+real+analysis+bartle+solutionsPDF 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_off000143d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00015beb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BEB | 10404 bytes |
SHA-256: 8bad65b4ff248e416767d7d5d20864e6eb15c96ccff3b26c6a9861eb38787bea |
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font_02_sfnt_off000173a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x173A2 | 16244 bytes |
SHA-256: b1ef7b52ed35dfd01120c19ee4193d967dc828f2fc549fe1a2d8c3c5029b4647 |
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font_03_sfnt_off0001898a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1898A | 19968 bytes |
SHA-256: ee96d0182b27968b9493c2e3f298b824f1d55680d1114d440d864d686c16e6bf |
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