MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains a link farm pointing to numerous distinct hosts, many of which are associated with compromised CMS uploads or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://benthanhsgfarm.net/images/uploads/files/65950679179.pdf In PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084066e9a83b---dalatodepozurogidasisam.pdfIn PDF document text
- https://marigabung.com/contents//files/sunefezuxok.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/lebuvunum.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/aca45af51c139041dad5c2c3eab41a4c/31196229541.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/e094c3c6dfddf2da0c70abbd449834a1/63970920838.pdfIn PDF document text
- http://greenld.com/userfiles/4912754215.pdfIn PDF document text
- http://rogo-rotterdam.nl/files/96996705099.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/6a8a08b29caf801acfba4fa5a6ea91f0/dutiv.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021050707001973499.pdfIn PDF document text
- http://ibookingkr.com/FileData/ckfinder/files/20210701_009A52315F57AC68.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/0bc99a72b8b68632f910e31867106de2/2196108665.pdfIn PDF document text
- http://yuha.be/_files/file/kijezugawumusun.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076698917ce3---gudogoninow.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c555f950d6e---39101475180.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/57741716461.pdfIn PDF document text
- http://budohurtsa.pl/userfiles/file/45949004427.pdfIn PDF document text
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/89521404712.pdfIn PDF document text
- https://bakotech.at/uploads/ckeditor/files/zadutawopuzidaburomaze.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079ea0e61936---karigowolevigovedi.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/l7f4nftousj3vnc4pb7dso2mlg/mikafevokafawofowefevoras.pdfIn PDF document text
- https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/282ecde2613ab8d15c77a173df117a0d/52731069500.pdfIn PDF document text
- http://studiolegalebisantis.it/userfiles/files/9302033325.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f373e53cd7---dapazulizeso.pdfIn PDF document text
- http://rydelko.pl/userfiles/file/xanusiratabevumotabu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=four+stroke+performance+tuningPDF 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_off000106d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011eeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EEB | 10948 bytes |
SHA-256: 4c2dfc2c922f617d530fad6d6dea1379dd341d1e9f698942434fbda0cb8e3c24 |
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font_02_sfnt_off0001385b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1385B | 17564 bytes |
SHA-256: 86276948971d6030888e6bbc542a202316226d881783df04b9e87cec1781e983 |
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