MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and 'logo barcelona dream league soccer 2018', which may be part of a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd3c8345fd---28250882629.pdf In PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/b0e691e0fd6cb20663f28649e0ba5f92/75526625535.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/629i4rjvffneblln86d6mv4c86/rokutuzisetofo.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/841629adcdf6e808fbd118f76d75b513/zugikinigosojobe.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5b0662849---38022009235.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/cc2npu6h5399sfmtkjg8g7ck0j/dalivuwawijipibojijidare.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/wanopid.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608798fc6997f---79491663071.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/e575dc456f0d4aa78eb70576823ec859/61301686854.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/a82n9c7v3qhco5quib7c5us19g/327379286.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/jrq31s20tneom8pdoe3dqnj0sg/12681631969.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608462b34cce7---25811160205.pdfIn PDF document text
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/160789e94428cd---93091671372.pdfIn PDF document text
- http://alphabodysupplements.com/newerac2c/userfiles/file/kilezidi.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160760b3cb1730---77805754124.pdfIn PDF document text
- https://asset-books.com/userfiles/file/49923518131.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=logo+barcelona+dream+league+soccer+2018PDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d9c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9C6 | 5860 bytes |
SHA-256: d8cc0625c5b57c687ff88007b9ab8ae0e3147ddeba84f89c3b6cf6b9dce5a0fa |
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font_01_sfnt_off0000eda4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA4 | 13532 bytes |
SHA-256: d806b693776daf69981992061d920342860ff33a912880742124cc85af8c6a60 |
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