MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by ClamAV and an ML classifier. Heuristics indicate it functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. The presence of numerous links, including one pointing to a compromised WordPress upload, suggests an attempt to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.6200
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 http://dpsnowodworze.pl/userfiles/file/67812089639.pdf In PDF document text
- http://busangh.com/attfile/fckimg/file///20210904134129_378230265.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9bee1c43f---78469728619.pdfIn PDF document text
- http://debrecen.varosom.hu/userfiles/files/10368992075.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/jilenuvekebadowe.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/wafanowujezudubexasuraguz.pdfIn PDF document text
- https://sujatasfoodopolis.com/ckfinder/userfiles/files/xoxevan.pdfIn PDF document text
- http://dekoblickfang.de/userfiles/file/sedetapagelivulani.pdfIn PDF document text
- http://p-jtech.com/userData/board/file/95732626744.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7e3000321---lavotidukuridira.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f3a55d1f14---mejanizavobiguvosaso.pdfIn PDF document text
- http://vietcem.vn/public/default/ckeditor/files/27872857131.pdfIn PDF document text
- http://strandedtattoo.com/file/29634027862.pdfIn PDF document text
- http://lpkgoodframeupvc.com/userfiles/files/xobagumitonoxakijosokago.pdfIn PDF document text
- https://tomorrowhubs.com/upload/users/files/jasajetiwiriradekamowebe.pdfIn PDF document text
- http://pecsimutargygaleria.hu/files/file/38879810084.pdfIn PDF document text
- http://kbcsisa.com/upload/fckeditor/file/kufedir.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161409bdcad69d---jikizemit.pdfIn PDF document text
- https://salvamontbihor.ro/app/webroot/files/userfiles/files/13031139669.pdfIn PDF document text
- http://saveursetsavoirs.fr/image/file/jaxaxugixatadibetu.pdfIn PDF document text
- http://cokhihoaiduc.com/uploads/files/36593630811.pdfIn PDF document text
- http://vagtteam.com/userfiles/Files/labalitalujirasodagivote.pdfIn PDF document text
- http://drivingtesttips.ie/fckeditor/userfiles/file/liwuxumadazagexezenuz.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cd83d2b8cdda6d1b5712c4eaa4744e75/95284392655.pdfIn PDF document text
- http://www.gesas.it/media/mailinglist/file/kegigusaxogagu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=nordvpn+mod+apk+happymodPDF 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_off0000dd1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD1B | 10372 bytes |
SHA-256: 7484235c7fc5d368caf24e66ca43f1e8e48fb09de3a853e8818e57270ccf0ef9 |
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font_01_sfnt_off0000f44e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF44E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C60 | 18880 bytes |
SHA-256: a2b0b309d5156fa76a21783eef1c8abd0c5e9820839ae39d0e4abdfd842c6a16 |
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