MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs, with one heuristic specifically identifying it as a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated, preventing a clear understanding of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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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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://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613401bd0ac98---wazizewu.pdf In PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138f04b2bb52---munakunaxizo.pdfIn PDF document text
- http://werder-ritter.de/UserFiles/File/83463709975.pdfIn PDF document text
- http://szybkieprawko.pl/szybkieprawko.pl/user/admin/fck/file/buwipi.pdfIn PDF document text
- http://millionsdiscount.com/mo_images/files/sekaku.pdfIn PDF document text
- http://andlupa.com/userfiles/file/nomezodid.pdfIn PDF document text
- http://preiss.at/upload_files/files/zewiwotomun.pdfIn PDF document text
- https://festival.bg/fckeditorfiles/file/49482103374.pdfIn PDF document text
- http://www.videobezopasnost.ru/ckfinder/userfiles/files/73996391201.pdfIn PDF document text
- http://aczelzalog.hu/tmp/89883837979.pdfIn PDF document text
- http://shengyaweb.com/uploadfile/file/2021090711322053.pdfIn PDF document text
- https://villamishkan.com/310renonew/front/images/files/zapasazudabofanav.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/2477823261.pdfIn PDF document text
- https://siriusdynamics.com/assets/uploads/files/rawupigewusijujosasufaf.pdfIn PDF document text
- http://azizavacanze.com/userfiles/files/75351107844.pdfIn PDF document text
- http://aorganboys.handyfriendship.com/upload/files/lidekufe.pdfIn PDF document text
- http://nanobubblevietnam.com/uploads/userfiles/file/65294406149.pdfIn PDF document text
- http://huile-de-nigelle.info/userfiles/file/dusofojakemoxowukawo.pdfIn PDF document text
- https://e-ssuances.com/ckfinder/userfiles/files/xarasofiporezuwe.pdfIn PDF document text
- http://studiostocchi.eu/userfiles/files/77168646850.pdfIn PDF document text
- https://southernwashpros.com/nbloom/fckuploads/file/75359249474.pdfIn PDF document text
- http://reutlinger.pl/userfiles/file/vaxiwuno.pdfIn PDF document text
- https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/63004214907.pdfIn PDF document text
- http://hamyarsanatco.com/ckfinder/userfiles/files/riselolokopipona.pdfIn PDF document text
- https://brianhigbielaw.com/UserFiles/file/26053799090.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=upc+music+lookupPDF 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_off0000b63f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB63F | 16696 bytes |
SHA-256: 6a3d794ad3a608a617f0eda3720fcdec500d810b92eeedcc213e742b64c3a2d3 |
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font_01_sfnt_off0000e15b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE15B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF972 | 10140 bytes |
SHA-256: 96ec340c1d8d7d73b149fef308fd43a5038299a4397c9bc647cf236620df9ed6 |
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