MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://thuduchouse.vn/pics/file/netajubanunapezidotamo.pdf In PDF document text
- https://rmp-traueranzeigen.de/cms/files/xepafadamojosa.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609cdea949964---figusotomedubo.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b054c4c924---salojogetowagejegufo.pdfIn PDF document text
- http://francescasciortino.it/userfiles/files/zelala.pdfIn PDF document text
- http://interreg-ipa-husrb.com/downloads/62300112746.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/6601d0d40730938d794c06c8c09275a7/xedirizig.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b203c75ab22---8541647090.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bff287c69bb---fodudobekobetewisoziju.pdfIn PDF document text
- http://radtel-sport.pl/userfiles/file/vopemizogeke.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f33322c972d---30729591942.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/43539190871.pdfIn PDF document text
- http://hintzfamilyreunion.com/clients/1/12/12a2788c5de59b93c87e4eff35998d4f/File/ropunat.pdfIn PDF document text
- http://nesemlak.com/test/images/uploads/files/nefevepuxeroxakofovow.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/48d55f5d29806d5e4a9171b5a5a4a4f5/bonibetupulotegiduf.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/43520095584.pdfIn PDF document text
- http://lnaixi.com/userfiles/file/20210625100309_1751854668.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16098381ea7cb8---33463349575.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/rorekaleniga.pdfIn PDF document text
- https://www.pactforfamilies.org/ckfinder/userfiles/files/vidobamurejijopupevejimap.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/6ba6a0eea718851262d2649e16e2f461/xerupaxeruraletabo.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16096018c8597c---1541977013.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdee10826b---bajunuf.pdfIn PDF document text
- http://eros-arena.de/eros/userfiles/file/luvuta.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/60494064065.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=manual+perturbation+test+%E3%81%A8%E3%81%AFPDF 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_off0000bee4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEE4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d6f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6F1 | 1884 bytes |
SHA-256: 1a02648605b077effbb842b083c66b0e466b44db270e1c986184627c8f77afd9 |
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font_02_sfnt_off0000dfc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC4 | 10476 bytes |
SHA-256: 9ea96fd67cbf88f3f7e9690822fee42e33dddc98a453177da01adca48ed1a22c |
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font_03_sfnt_off0000f771.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF771 | 16156 bytes |
SHA-256: 22d7f36633e107baa585ed8e0cfd888e191b0d5aeeb8c44931c4440abe84f8fa |
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