MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall detection indicate a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://inkjetartandimage.com/Uploads/file/36440350179.pdf In PDF document text
- http://xn--c1adbeke4asdefy.xn--p1ai/ckfinder/userfiles/files/87244470231.pdfIn PDF document text
- http://turchifiltri.com/userfiles/files/13178296181.pdfIn PDF document text
- https://dichvuhappyhouse.com/upload/files/84685314400.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1613842dbd8496---48728799068.pdfIn PDF document text
- https://skiclubraonbaccarat.fr/pdf/48913053007.pdfIn PDF document text
- http://uptownherndon.com/uploads/files/94266161132.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16160dfd853e17---19490603075.pdfIn PDF document text
- https://www.utn.ac.cr/sites/default/files/files/23575919479.pdfIn PDF document text
- http://sanarina.de/ckfinder/userfiles/files/13349757800.pdfIn PDF document text
- https://evermoral.hk/upload/file/1631489743.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/33185973066.pdfIn PDF document text
- http://tmkb.org.tr/ckfinder/userfiles/files/sitisula.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135cd70cb8ab---divuraridamowuk.pdfIn PDF document text
- http://vet-arrighicolangelicristilli.eu/userfiles/files/55810610261.pdfIn PDF document text
- http://kme-kme.cz/files/file/75844241389.pdfIn PDF document text
- http://hanart21.com/files/userfiles/file/nefababezoxukonaja.pdfIn PDF document text
- https://magnanelli.com/userfiles/file/xaretegedopejetug.pdfIn PDF document text
- https://paklya.su/design/img/upload/file/risarafakokinodajexixuk.pdfIn PDF document text
- http://jtylek.pl/Upload/file/88488416902.pdfIn PDF document text
- http://ingatlantv.tv/userfiles/files/5209243237.pdfIn PDF document text
- https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/40188130291.pdfIn PDF document text
- http://mijinmotor.com/fckeditor/userfiles/file/6028846119.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/ccdf526e9544faf90bcac2bed4a54f8a/lalijiw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=march+2019+calendar+with+holidaysPDF link annotation
- 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_off0000b80f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB80F | 11120 bytes |
SHA-256: f9d57251d85e6d9bd370bf38d63901c9a6f54ebee88bc232b2b9b0bd6c373779 |
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font_01_sfnt_off0000d223.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD223 | 16356 bytes |
SHA-256: c960e97ad33c8fd9fd8f50bed1b495a17878876faaee1b6084fa87b1dc05ae76 |
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font_02_sfnt_off0000fc58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC58 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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