MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm intended to redirect users to malicious content. No scripts were extracted, but the presence of multiple external links and the high confidence detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://humanitool.ru/userfiles/file/kumamekopotamirugol.pdf In PDF document text
- http://cuacuonductudong.com/upload/files/xadarip.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bcba6812f5---59316664427.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16098bdef9fe78---63332486988.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c8c2d0a63---28026246335.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/nrc14f5n78v4ivh8t7hlo7a9dn/66595658441.pdfIn PDF document text
- http://agrion.org/upload/fichier/71284210537.pdfIn PDF document text
- http://toshiteriyakiburien.com/uploads/files/92442457999.pdfIn PDF document text
- http://csc0351.com/userfiles/file/20210706032516_pkgwfl.pdfIn PDF document text
- https://cualuoihoanmy.com/uploads/userfiles/file/72982572972.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16091566939998---kitowu.pdfIn PDF document text
- http://imhyuk.com/imhyukeditor/userfile/file/20208107250.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d987e447f7d---9886864136.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/28622091473.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/8e9649a364e326966007054502c74601/berozilu.pdfIn PDF document text
- http://aranykoronakft.hu/userfiles/file/rizozapaso.pdfIn PDF document text
- http://amon-syotengai.com/userfiles/file/jolofeg.pdfIn PDF document text
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/05a757fbf8bfd12d0f2e4da270aa0cc6/tozonodupupebupaginifunar.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/64207451819.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/65e3f21dbcf406bcbae8aee3254e9766/6216029154.pdfIn PDF document text
- https://shoppingplanet.ro/ckfinder/userfiles/files/4221576633.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/7i1t1c1nct3lnvnviobihegmfq/25904376767.pdfIn PDF document text
- http://castrolmintabolt.hu/images/upload/file/20413146350.pdfIn PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/041d4659f2a6f541745ad2ab3a4056e9/66370865974.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609415860174e---gomak.pdfIn PDF document text
- http://khanaphatgroup.com/UserFiles/file/jezuwedilom.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=south+east+west+north+southPDF 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_off0000f0db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DB | 10328 bytes |
SHA-256: e44158f41ca7aad991290de08c87da2343130ea7f68d538f8e792580797c4d2a |
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font_01_sfnt_off00010835.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10835 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012047.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12047 | 17508 bytes |
SHA-256: 5cda1e5ef25459cbedfe68d4a3ae87ef3220eb463e030e5eb0d79ef66d08deda |
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