MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to redirect users to malicious sites. The embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://altaprecision.com/userfiles/file/5185695189.pdf In PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/087ceb92352861769eaedd802cfb5f06/lexarujobilow.pdfIn PDF document text
- http://nb-magnet.com/upload/files/bavax.pdfIn PDF document text
- http://santeh.md/img/files/ruvatuwerofitugobogapufi.pdfIn PDF document text
- http://climtech.com/files/files/76436574489.pdfIn PDF document text
- https://cristalparkhotel.com.ve/ckfinder/userfiles/files/rofuj.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1614854854236a---vagemare.pdfIn PDF document text
- http://baovephuongtroi.com/vietkiendo/upload/file/54357686998.pdfIn PDF document text
- https://miguktour.com/FileData/ckfinder/files/20210908_2DBB75C34B3FF3E2.pdfIn PDF document text
- http://aescantabria.es/upload/fckeditor/file///wugosefu.pdfIn PDF document text
- http://uniquehotelsolutions.com/files/others/borewunim.pdfIn PDF document text
- https://ciela13.leaddeehub.com/userfiles/files/lomadojimixodepal.pdfIn PDF document text
- https://thietbivesinhsonhoa.com/webroot/img/files/poselus.pdfIn PDF document text
- http://www.fuchingrading.com/upload/file/wunawa.pdfIn PDF document text
- http://land89.com/ckupload/files/67352763651.pdfIn PDF document text
- http://okna-kursk.ru/page_edit/_samples/userfiles/files/67288370867.pdfIn PDF document text
- https://paroles-vives.com/ckfinder/userfiles/files/66497556523.pdfIn PDF document text
- https://klaipeda.cvzona.lt/resources/img/files/97597539900.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161437b1a2757c---garokimawimekesela.pdfIn PDF document text
- https://maychieuvinh.vn/upload/files/pexagit.pdfIn PDF document text
- http://justsayhi365.com/uploads/file/bopesesefujijeginajute.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/tijip.pdfIn PDF document text
- https://sunridgecorp.com/uploads/files/202109271226208407.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=question+tags+for+class+10PDF 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_off000102f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011b08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B08 | 22228 bytes |
SHA-256: d2bad7e3e648889082f26c04462ab75dd274ee53fd357ac7f8d2487dc8e46f4c |
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font_02_sfnt_off000154c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154C1 | 10844 bytes |
SHA-256: ec535293b411125aa55408283033a84aefcdc636293c6ccd0c47cd01403300c9 |
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