MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9737
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5557d875e9---87961181089.pdf
- http://bookblog.kr/data/file//files/50242516759.pdf
- http://www.northern-japan.com/image/upload/File/80316892997.pdf
- http://m2mus.pro/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/96736915705.pdf
- https://eyetracking.pl/userfiles/file/5213628845.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/k1a72nq3r2567lqf25dbm8jjro/77093790127.pdf
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/kulutijijolexafis.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a436dfba359---28651554191.pdf
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608b753913191---21170923249.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb296f03547---komaneposogaguto.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/f2f5d0d1b1dfdcd7d584a39d55e74fca/fezusidorirewema.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/9eluj7lg6upon44914hd928fp4/41003425986.pdf
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/16086f0aa16cc4---37187784761.pdf
- https://0900107678.com/upload/file/jumijudugupo.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609471b7d993e---76323565150.pdf
- https://protradingindia.net/userfiles/file/37838490053.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/74942831790.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c0436c3479c---gajonozilefu.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160d82e02eadcd---belobimemazebix.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/328b2215b3259c846c8992ae7a982f5c/jimesuxovinutigo.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/fvc2ulhfvk8bschjr5re8kqijb/71963443580.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/m9kg8998afe10g23lmqrcspt2n/musojamimunit.pdf
- http://homeopathyhongkong.org/files/73133274652.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=pokemon+x+and+y+gba+version
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000109f6.binba26a7164cebb011e8240f7ab41bf628ea23649fb02aa62af27d7c375a1727e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F6 | 17904 bytes |
font_01_sfnt_off000138ed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138ED | 16792 bytes |
font_02_sfnt_off000150fa.bin679e79deea614620baeb03a29a1fefe2d41467a824ffe7340228a0aefe7638b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150FA | 2700 bytes |
font_03_sfnt_off00015c91.binfa5cbea137587b1d4bb1c548ff3f8d17a18587fe273de630a8d80f12e69f99e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C91 | 16160 bytes |
font_04_sfnt_off0001722d.bina7e1ec94ccf794405a1ec694b5cea2a0435e26f6e7a9df59fc6891e113800698 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1722D | 10964 bytes |
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