MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of a 'download' lure further supports this, aiming to trick users into downloading potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://cnhhgj.com/upfiles/userfiles/file/13089013011.pdf In PDF document text
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/c7b6b15c834ad5fdf3f3bf813d70d47f/xubetu.pdfIn PDF document text
- http://eszixv.hu/ckfinder/userfiles/files/fumevumurokososideluv.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/kqf1fots3v4bhvmqgkn3out2qo/famov.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160b712db3c0e5---joledevewi.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/09dd91a395dda18a97129c4b7a7c9ac4/17456879790.pdfIn PDF document text
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/0a86be19fc02bc39c219cd408520377e/19371425553.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/jawamijofukunakili.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/pfdhsk429j3vukc3rfqr1l160u/vosalirifipoda.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/48740473039.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/kaveremobav.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-4-29/20210429055857964686.pdfIn PDF document text
- http://baikalspring.ru/ckfinder/userfiles/files/58677817892.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d3ce23fca---93603023644.pdfIn PDF document text
- http://droprint.my/home/ququ4923/public_html/userfiles/file/resedidivuwom.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/jigcorlr2nb8i75vsslst7hp2j/20611374532.pdfIn PDF document text
- https://moto-trend.cz/public/files/fck/file/33542371849.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=download+immortal+taoists+mod+apkPDF 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://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B6 | 2960 bytes |
SHA-256: 4c688c0676da4c9c3f1d636d29496b85ed1f90b4285ee9b780884cc7de0e34ac |
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font_01_sfnt_off0000ec26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC26 | 4932 bytes |
SHA-256: 0f31ca00c951d48a260e0d1ab8d040bf48a47cdfef5490aab48f9155fdbef139 |
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font_02_sfnt_off0000fcd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCD9 | 15380 bytes |
SHA-256: f3d44bc79226ea5801fb8d142586eedc50a0b5702a9521b185eb3c12f7392dbc |
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font_03_sfnt_off00012d34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D34 | 16616 bytes |
SHA-256: eb0de3c3945e090b5d0622781ae878bf5ff5cd4f7f2074de43f3604f2ac28a2f |
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font_04_sfnt_off000143d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143D6 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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