MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to a link farm hosted on compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution scheme. The document body is unreadable, but the overall structure and URL patterns indicate an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://krisoc.ru/uplcv?utm_term=cady+and+aaron PDF link annotation
- https://accesoriosalmayor.com/images/userfiles/file/95445007178.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160754cbe2d421---vibobolo.pdfIn PDF document text
- https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/f87395c1363430b4784704a7a58cc739/relaxasik.pdfIn PDF document text
- http://jtour.vn/userfiles/file/46530532080.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/16071af9d340be---51173687155.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6486ac7e9a---fisesamureta.pdfIn PDF document text
- http://htygroup.com/upload/files/21779576943.pdfIn PDF document text
- https://luminex.pl/upload/file/zewel.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca56d1b0ed---rowelufuvujakowamer.pdfIn PDF document text
- http://ankaser.com/userfiles/file/vobavusa.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/85f650bf27cd2da3e68d80a5bdfe4a12/rufawutoxoge.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/aee2077670bf32b50ad5077592b8040d/64188526051.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c91000436f---6600338872.pdfIn PDF document text
- https://eastmanllc.net/ckfinder/userfiles/files/27468965430.pdfIn PDF document text
- http://carefirstwalkathon.com/clients/8/89/89514deb4c0e8807eb046cac28c4977f/File/7288841715.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be37944d488---wegusadosinetufovukek.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160abd95470906---mimeterajokani.pdfIn PDF document text
- http://myqself.com/upload/files/4864120837.pdfIn PDF document text
- http://yaeram.com/userData/board/file/gakorufutufasutojogo.pdfIn PDF document text
- http://lmyc.net/clients/875386/File/kapejijijop.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160835cbae32a6---zamago.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607aaf5c52ab9---2876902606.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ovl6bjbe8psin4vhqde1evr9i1/14382362084.pdfIn PDF document text
- http://elfuklid.cz/foto/Image/file/lijunawaxu.pdfIn PDF document text
- 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_off0000d696.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD696 | 16788 bytes |
SHA-256: 4372c3787de3d6346869ed6cdadf11d932b0346f1fab3b65857f850457495266 |
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font_01_sfnt_off00010245.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10245 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A5B | 9848 bytes |
SHA-256: fd58fe526deef6b675035edad31a8436837f271b117b832bfb15771a387df507 |
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