MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting, likely intended to redirect users to malicious content. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://mimpishio1.com/contents//files/61207410988.pdf In PDF document text
- http://pvhs1967.com/clients/a/aa/aa78cb05297cd93d8a9ab6bd1eb8a3c4/File/76875104646.pdfIn PDF document text
- https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/518b8b30902d27847e83cc3b7d513d3b/zofevotemigunuxo.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd08d648ac---98537794371.pdfIn PDF document text
- https://concertwristband.com/resimler/files/vasikutovepe.pdfIn PDF document text
- http://pcccphucvinh.com/upload/files/39875824807.pdfIn PDF document text
- http://hondatayho.vn/images/ckeditor/files/mafujidobekudixobej.pdfIn PDF document text
- http://kiuanai.com/userfiles/file/kisapuxibozafenufiriwoku.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/ef8e3f227d6cc2485e912bdf17e71599/92041151440.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160727fc802e80---korixirekulu.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084717ece975---wogexal.pdfIn PDF document text
- https://hohsingfiber.com/ufiles/files/nejalivakixumimumadima.pdfIn PDF document text
- http://smclassof57.org/clients/34860/File/25984475490.pdfIn PDF document text
- https://newtech-utm.pl/userfiles/file/92449622456.pdfIn PDF document text
- http://ifa-astrologie.de/userfiles/file/53902082292.pdfIn PDF document text
- http://nnrhc.com/clients/9/98/980d61ede38c9a35fe3396fb65651545/File/milixusi.pdfIn PDF document text
- http://sam-global.info/files/file/xegiduwinofenavozow.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/43957292520.pdfIn PDF document text
- https://mimpiindah1.com/contents//files/xonisoxabejokofuxuw.pdfIn PDF document text
- https://maconlux.lu/userfiles/files/liboruruvalen.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/1g5t1hsajs7qmt0k126i1hm2dt/texawulunukokogu.pdfIn PDF document text
- http://myucpb.net/userfiles/file/50201951166.pdfIn PDF document text
- http://c-amc.com/upload/files/45311612397.pdfIn PDF document text
- http://erdivigado.hu/userkepek/file/25063239216.pdfIn PDF document text
- http://meadescafe.com/userfiles/file/mokunuranuzopavavonaxusut.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=chemical+earthing+procedure+diagram+pdfPDF 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_off0000f4e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010cff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CFF | 11028 bytes |
SHA-256: 01cb781452fea613410b2d1e258023d2a20e9950abbe55343b5b4e5be734d8a4 |
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font_02_sfnt_off0001263c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1263C | 17620 bytes |
SHA-256: 1278811dd33c1fe0fe41a2f94cc9dfb7ae1705693909c25c419f59f8067ddc19 |
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