MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites, likely serving as a distribution point for phishing or malware. The presence of embedded URLs and the structure of the PDF suggest it is designed to lure users to external malicious resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.8058
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/f4c5338f48979e2ee8ad45012568ddd7/metosuwupo.pdf In PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/a1df062c5c23148283011b02c39fa5aa/taxikijasezanog.pdfIn PDF document text
- https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/5f8ljmn2okjofn3c1oc9so1bn7/mazogodunuwi.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9aaf8b3cc1---lidopijujurumulevimu.pdfIn PDF document text
- http://bronia.org/userfiles/file/47700075758.pdfIn PDF document text
- https://dudikom.pl/userfiles/file/58684204968.pdfIn PDF document text
- http://qkmedica.com/uploads/userfiles/file/nugegusibazesizo.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/5bbb0aaa4c6918f01c7bf6165a236348/toweletegoj.pdfIn PDF document text
- http://toanlinh.vn/upload/files/48431379379.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/6a16337ec69ba78fa45dba972187990c/dizibofegogejo.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097aff635af2---bixamateferusonijurefujos.pdfIn PDF document text
- http://jikaramen.com/uploads/files/jiwup.pdfIn PDF document text
- http://tongkhomica.com/upload/files/jutosimuradeb.pdfIn PDF document text
- http://architettipassarinmarzotto.com/userfiles/files/4645953567.pdfIn PDF document text
- http://starsunited.at/upload/files/wikaduraludot.pdfIn PDF document text
- http://pc-driver.ru/userfiles/files/pekotokijazolosado.pdfIn PDF document text
- http://sevgineslianaokulu.com/ckfinder/core/connector/php/uploads/files/67169267907.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/860adbccabf33b70e96f33b3342c38f7/69323905776.pdfIn PDF document text
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/95329475134.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/c636a763439c07e537341ba835940c73/36067350854.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e37aa83f4cd---pebumowiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=closer+chords+bethel+pdfPDF link annotation
- 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_off0000c59a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC59A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ddb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB1 | 10528 bytes |
SHA-256: 869c0db6668f18662b63c87e63ebdddef8853c37878220da24b05936984d4d0d |
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font_02_sfnt_off0000f593.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF593 | 17768 bytes |
SHA-256: 5b99bc030ba36b979623b8bd3f7629718bbd6470875f859491073171294e372a |
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