MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, with many pointing to compromised WordPress upload directories, suggesting a link farm designed to lead users to malicious content. The presence of embedded JavaScript and a ClamAV detection for 'Pdf.Phishing.Trojan' further supports a phishing or malware distribution intent. The sample's structure and link farm behavior are indicative of a phishing lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier clean score 0.2314
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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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://camberwelltaxi.com/survey/userfiles/files/finagi.pdf In PDF document text
- http://standardamulet.com/files/files/49031646390.pdfIn PDF document text
- http://thebankcardservices.com/uploads/files/ruwago.pdfIn PDF document text
- https://wolfgang-photography.com/userfiles/files/62217468268.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/wajipofepuvipemug.pdfIn PDF document text
- http://nsfeed.com/_UploadFile/Images/file/ramupevojipuwijefonivejoz.pdfIn PDF document text
- http://bagiez.com/userfiles/file/rebigo.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613680a81971b---29944320830.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/4010877cddbccb6381c5597b9fdf568d/vagog.pdfIn PDF document text
- https://echipamente-scule.ro/userfiles/file/32940676342.pdfIn PDF document text
- https://zerling.eu/nico/images/files/82148034690.pdfIn PDF document text
- https://powermailer.in/userfiles/file/vatenixazesutawugazika.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8922dd0e7---33679655444.pdfIn PDF document text
- http://grandwatergatehotel.com/upfile_hotel/files/jerabidowez.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/c185447fd31da1f5f0da7959d6b11041/23447034495.pdfIn PDF document text
- http://www.moyekolodin.com/files/wesolumutepixikadisejup.pdfIn PDF document text
- http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/20654128559.pdfIn PDF document text
- http://artwatch.ru/userfiles/file/54495527611.pdfIn PDF document text
- http://bbpcosmetics.com/admin/upFiles/2021-9/file/1567004826.pdfIn PDF document text
- https://aristi-trap.com/upload/users/files/segudunavatigosi.pdfIn PDF document text
- http://gps-ambroisie.com/ressource/site-image/files/nedudusemitosabomivijag.pdfIn PDF document text
- http://2478.ru/admin/ckfinder/userfiles/files/vupoza.pdfIn PDF document text
- https://xn--b8qxb801j.tw/upload/files/38099489075.pdfIn PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/96783789791.pdfIn PDF document text
- http://mansiya.com/uploadfile/files/lotefatizot.pdfIn PDF document text
- http://bodegaadrover.com/userfiles/imagenes/42485966997.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+itunes+unlock+iphonePDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d1a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1A6 | 10480 bytes |
SHA-256: 95ed5bb20c68fec332f6c151b0d4ef7904360dd6a2cec7907305514487e92b95 |
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font_01_sfnt_off0000e96c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE96C | 17228 bytes |
SHA-256: 94e7209930c942868d8b7d09daac5721bd22751aa1b62241425b1eaa89848069 |
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font_02_sfnt_off0001030a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00011b1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B1C | 16836 bytes |
SHA-256: ee2afb669f07d84736ee05358e089d5a078721ce99fe8200e6a754284eff3586 |
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