MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites. This behavior is characteristic of a link farm used to distribute phishing content or malware. ClamAV detection further supports its malicious nature, identifying it as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2548
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://queure.ru/uplcv?utm_term=origin+of+homo+sapiens+timeline PDF link annotation
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16138172e4cf44---nikosogamarele.pdfIn PDF document text
- https://www.educationsexuelle-ecole.ch/ck/ckfinder/userfiles/files/gagukegatanulabexisixamo.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613e70d8db74b---sulupajukabino.pdfIn PDF document text
- https://anup.bo/images/files/dadalamifutij.pdfIn PDF document text
- http://brainbond.ro/userfiles/file/50821849440.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136c46b1a8d4---46704791243.pdfIn PDF document text
- https://bakotech.at/uploads/ckeditor/files/regujugizifodopelaguwa.pdfIn PDF document text
- http://ckrestaurantgroup.com/ckfinder/userfiles/files/xatirifij.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/133f62b347a94e21eb25733a92c2b492/fitofixovifupifose.pdfIn PDF document text
- http://everintelconsulting.com/upload/file/202109060544259661.pdfIn PDF document text
- https://etest.vn/app/webroot/uploads/files/13669515467.pdfIn PDF document text
- https://remont-bez-zabot.ru/files/file/42837136833.pdfIn PDF document text
- http://jjsgreatescape.com/uploaded_files/userfiles/files/93185724378.pdfIn PDF document text
- http://easternhoteljeju.com/FileData/ckfinder/files/20210907_33AD2E6E7946240E.pdfIn PDF document text
- http://viquadro.com/userfiles/files/gezaligevo.pdfIn PDF document text
- https://shinaltd.ru/images/file/kojapojekalimi.pdfIn PDF document text
- http://hainfelderteich.at/zuzupive.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/505ddba299125253a6887ec65df10e0e/74299540797.pdfIn PDF document text
- http://dinhviht.com/images/newtech/files/zelowaluji.pdfIn PDF document text
- http://walosports.cl/userfiles/file/kumefepodiwegajomebuga.pdfIn PDF document text
- http://www.moyekolodin.com/files/lajubufapajuvo.pdfIn PDF document text
- https://gujaratisamajparis.org/upload/files/lenabipaworaw.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139068875681---45069352825.pdfIn 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_off0000e8ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8AC | 10828 bytes |
SHA-256: c532a894dd70bdf0748b126c9416f0639f05a01749654d3e6914f078ca4b395b |
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font_01_sfnt_off00010178.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10178 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001198a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1198A | 17792 bytes |
SHA-256: 9b4345b56acc0f7d1b657fae38a6a5373d3043eb19ba73b5ae5426e9aa972425 |
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