MALICIOUS
124
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 and are structured as a link farm. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggests a malicious intent, likely to lure users to phishing sites or download further malware. The presence of multiple distinct hosts and the use of UTM parameters in some URLs indicate a coordinated effort to distribute malicious content.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2639
Heuristics 5
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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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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=index+of+movies+apk PDF link annotation
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161375b1b89631---36091228359.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16142719e443ad---12954013065.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/23435830820.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4a7e935e1---4281791867.pdfIn PDF document text
- http://szyoujin.com/UploadFile/file/20210905220140120.pdfIn PDF document text
- https://biocoop.legreniervert.fr/ckfinder/userfiles/files/7399608126.pdfIn PDF document text
- https://dienmayminhchau.vn/uploads/news_file/pedaxagi.pdfIn PDF document text
- http://eaupureinternational.com/userfiles/file/fomagarikode.pdfIn PDF document text
- http://aodaiminhhanh.com/app/webroot/uploads/files/36894425252.pdfIn PDF document text
- http://taiwanquinoafamily.com/shopadmin/upload/files/57811088287.pdfIn PDF document text
- http://evola.it/userfiles/files/mofatenuwirisokufajuput.pdfIn PDF document text
- https://tagoproperties.com/ckfinder/userfiles/files/43323842872.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/161392c7371009---16850910147.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16141d9317e3da---kuzawasibuzid.pdfIn PDF document text
- https://taipeitccia.org/CKEdit/upload/files/pirofetatinevelu.pdfIn PDF document text
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/givusawuwugoxowenazegegem.pdfIn PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/pojenolizu.pdfIn PDF document text
- https://al-farh-iq.com/upload/userfiles/file/64524579424.pdfIn PDF document text
- http://bio86.fr/userfiles/fichiers/25425050869.pdfIn PDF document text
- http://trungnguyenjsc.vn/uploads/image/files/zukib.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///48848552710.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/baxufilipinateju.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcc167c72c---xokodifoxafe.pdfIn PDF document text
- http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/nawixabapalofobedas.pdfIn PDF document text
- http://bassbasement.org/userfiles/file/23068599389.pdfIn PDF document text
- https://samsungdvm.net/upload/ckfinder/files/7185013043.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_off0000c5da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ddf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF1 | 10628 bytes |
SHA-256: aab54bda12a34b0bfb3b6f03aefee9e8502b65514364d96cf13f8b0a9868d5b6 |
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font_02_sfnt_off0000f646.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF646 | 17260 bytes |
SHA-256: 46e046d48a5dfdeca1955e572ba75c95f16c8deb03f015fa08ac170887cfeaa4 |
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