MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ClamAV as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://imreelectric.sk/uploads/file/45837953451.pdf In PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bf64b71cf7a---51949382108.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/56552554099.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/644ef7bcf8b70ed52464974d0485dc81/31744924868.pdfIn PDF document text
- https://hinodanang.com/uploads/image/files/jomobel.pdfIn PDF document text
- http://hpmcfamilyreunion1968.com/clients/83891/File/totuzefimil.pdfIn PDF document text
- http://cottoneauto.it/userfiles/files/wiwurixaxegi.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/cce9e40ff24e2114c54ceb2de075b11a/pebesafobipuputazek.pdfIn PDF document text
- http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/8fd0634efebaf889e95f9cc8c0279fb1/xetaposi.pdfIn PDF document text
- https://powermailer.in/userfiles/file/dekagawupejozuso.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160766066dfe78---govotirizigorexarilaviki.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16070045e33168---87015189104.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/b1450bd0968b46130adf9a2c63df4543/soxuromuda.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/412d6a3e9460a025ecbba1e2bc56cd07/89562746496.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759707a06f4---gunurovirofajimoxoripapo.pdfIn PDF document text
- http://ankaser.com/userfiles/file/towavazofiwal.pdfIn PDF document text
- http://planetamama.ru/files/file/93134318134.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/vikidavuxixog.pdfIn PDF document text
- http://africa-emergence2019.com/userfiles/file/11724322839.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c429572875---lurotup.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d526ac314b---xeturox.pdfIn PDF document text
- https://pasarantogelsatu.com/contents//files/jugapix.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606eaff1b3201---50047092180.pdfIn PDF document text
- https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bae196d1bb---paludesefazu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=addition+of+binary+numbers+calculatorPDF 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_off0000e491.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE491 | 10972 bytes |
SHA-256: f111ff3071b9f7acf42a94086fd763be73e487542ca9b2128180b66199c3d655 |
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font_01_sfnt_off0000fe11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011623.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11623 | 16820 bytes |
SHA-256: 5faa7a2593cf60440f7f29c7e0d6c2689b8e46afa7d7820d7207a049ce352f12 |
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