MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farm patterns, indicating a likely phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a malicious link farm designed to lure users to compromised websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 https://allytemp.ru/uplcv?utm_term=adobe+photoshop+cc+2017+serial+number PDF link annotation
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/73sggbm14vak67edh6i5u0ni04/gusafulabago.pdfIn PDF document text
- https://asset-books.com/userfiles/file/57442213546.pdfIn PDF document text
- http://vouchertiket.com/airplane/ckeditor/uploads/files/43036870128.pdfIn PDF document text
- https://intrigantka.ru/images/userfiles/file/suzibijogegomizivozusefe.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/pokabelefuzatu.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361dead9196---nafevebanowewovezoxabulun.pdfIn PDF document text
- http://mwflower.com/upimagesfile///69599170028.pdfIn PDF document text
- http://k-sta.kr/FileData/ckfinder/files/20210901_D0D1B056E0718A14.pdfIn PDF document text
- https://woft-dining.com/webroot/editor-uploads/files/laxugan.pdfIn PDF document text
- https://conexkarvan.com/cache/fck_files/file/22158040601.pdfIn PDF document text
- http://kompassztuki.pl/Image/files/vovesexenalizorusinugew.pdfIn PDF document text
- https://vidaleve.ind.br/ckfinder/userfiles/files/nutumaxonasedaladavusem.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/161363bc5641ca---posavojufujutajafuweki.pdfIn PDF document text
- https://whitesal.com/data/images/file/3606_20210907131545.pdfIn PDF document text
- http://alemotta.com/resources/original/file/mufamukureresuw.pdfIn PDF document text
- https://eminencesolutions.in/resources/userfiles/file/12622758410.pdfIn PDF document text
- http://avatars.ru/userfiles/file/diniribexuwebukesoner.pdfIn PDF document text
- https://linker.tw/files/10705676872.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/9a2756abacda37b6b11db70ecb651a31/dotebuwatokulebuxejidaweg.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/jekoxoduk.pdfIn PDF document text
- https://bunyaminerdemir.com/resimler/files/siragabububozat.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_off000106c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011edd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EDD | 11344 bytes |
SHA-256: 45c5eb5dba2d7b406bf1d8bf2aab8a0697431b6fc6744e58d0a9848638a17c2f |
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font_02_sfnt_off0001393e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1393E | 18944 bytes |
SHA-256: a8837446aa75705bc389f4772b6f3eaa7d6e57a0415f1cae54d6862bc6055b82 |
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