MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document identified as malicious by ML classifiers and ClamAV. It functions as a link farm, directing users to multiple compromised websites and disposable hosting domains, likely to facilitate the download of further malicious content. The presence of numerous PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly indicates a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://fa-vietnam.com/webroot/img/files/mozetepisodikepebokonumer.pdf In PDF document text
- http://creatinglifeoptions.com/userfiles/files/fovetikurewunuseratujeke.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff78f2e255---62770114594.pdfIn PDF document text
- http://workcoop.org/fckeditor/userimages/file/20210623072305.pdfIn PDF document text
- https://dcimx.com/files/82863772808.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609842797fd62---fukabideselerudufizimakes.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/23252660950.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/0a5006d806164c13ab09ea4c8c72edae/xupelibedetoxira.pdfIn PDF document text
- http://yangpupark.com/uploadfile/files/namewuvawusevadarolut.pdfIn PDF document text
- https://bancodevida.com/bancodevida/admin/images/image/file/54448164798.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/36217807132.pdfIn PDF document text
- http://bright-inter.com/file_media/file_image/file/lipuxafifeneke.pdfIn PDF document text
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/66138494261.pdfIn PDF document text
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/906818dfab272d14c6e57a758cd14881/54466267765.pdfIn PDF document text
- http://cdwy028.com/uploadfile/file/20210601160301.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/ic16vlfv62noejj8b0e2tv2d24/wawajawobeniruwegarebiper.pdfIn PDF document text
- https://ikansambel.com/contents//files/12836908950.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608460cd4d015---lupugumam.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/3e1uqe10kt217gbig1gfek125e/15086888189.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160857c809371d---68241941515.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/nolazum.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be7961994e9---7273690096.pdfIn PDF document text
- http://win-sonic.com/kida2018/ck_imgs/files/29489178177.pdfIn PDF document text
- https://www.mds-horizons.com/upload/files/98163416498.pdfIn PDF document text
- https://people11people.gr/uploads/File/26758731274.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=la+camisa+de+margarita+english+analysisPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED7A | 10768 bytes |
SHA-256: d767593f91b5109f8c3504b1c1febb471bad7dc810bb5eb36a4d7667082557db |
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font_01_sfnt_off000105d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011de7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DE7 | 18212 bytes |
SHA-256: c67eb488936a3000a3803b799314f8c2dbc3a80578e43ab7b1acd2ec31d83df4 |
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