MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier with high confidence. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting domains. The embedded URLs, such as 'https://catamma.ru/uplcv?utm_term=dragon+ball+season+1+episode+8', are likely used to distribute malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 https://catamma.ru/uplcv?utm_term=dragon+ball+season+1+episode+8 PDF link annotation
- https://what.whatproperty.ng/ckfinder/userfiles/files/xafizegikifonujajam.pdfIn PDF document text
- http://xn--dlek-5qa.com/admin/UserFiles/file/27516876161.pdfIn PDF document text
- http://consol.hu/images/uploadedimages/file/vagudabofikewugonewaluniw.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/82997613244.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/d6c9ee40002644252af39546d3ec972e/dubawabofebuwesi.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/72071907800.pdfIn PDF document text
- http://madmojo.com/fckupload/file/jofexorup.pdfIn PDF document text
- https://interativacorretora.com/fotosempresa/files/95488946923.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614af7b35dc23---21986659155.pdfIn PDF document text
- http://firewheels.pe/userfiles/file/69079834827.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/xubikisoniwapegodigupe.pdfIn PDF document text
- http://qtjdb.com/UploadFile/2021/09/14/file/20210914_163451_154.pdfIn PDF document text
- http://kmjmt.com/news/upload/file/210910203536017654ljo7nt.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/12285e63bfdf4020499037ac87d9edd1/ramakakilawew.pdfIn PDF document text
- http://archinfo.ru/uploads/file/96024171835.pdfIn PDF document text
- https://trompis-tondschungel.de/userfiles/file/46210000975.pdfIn PDF document text
- http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/59639831663.pdfIn PDF document text
- http://matsusushionline.com/uploads/files/kobefibolujilegolagos.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/19b841d19cee9a5251177bfa51768a23/bixusudod.pdfIn PDF document text
- http://hftyby.com/upload_fck/file/2021-9-26/20210926112121197508.pdfIn PDF document text
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16142588ef00ce---25289847532.pdfIn PDF document text
- http://csigikes.hu/admin/fck_upload/file/97899737450.pdfIn PDF document text
- 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_off0000af64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF64 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c77b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC77B | 10868 bytes |
SHA-256: bb3962bf8e0cc13439e5ab9589ed8963a40a5d4af03e1816d7f78bee4b04a81c |
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font_02_sfnt_off0000e03e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE03E | 16560 bytes |
SHA-256: f71ecd7e339c78615afcdae0b2e642fca0ad3964b7e48759a042416974cd234f |
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