MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or phish users. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb233c44cc---jugedijokariropafowovo.pdf In PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/o0lrbp0im8987bl16ta5avaldd/fulerepoviwakevijupasode.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/a8e3c67de39034f373a6a43f7d9717ff/78444603199.pdfIn PDF document text
- http://likebarcode.com/image/files/20210709_012251.pdfIn PDF document text
- https://groupunsur1.com/contents//files/96740570899.pdfIn PDF document text
- https://renault-service.com/userfiles/36188461000.pdfIn PDF document text
- http://beiwendq.com/userfiles/file/26203004222.pdfIn PDF document text
- http://alltechsro.cz/files/88249074816.pdfIn PDF document text
- https://mfdesign.hu/files/file/jibovaximofubogomazov.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/luwogaba.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609022eb346ac---jiwujinizi.pdfIn PDF document text
- http://christopherdallo.com/file/41360730756.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16081419181f26---97108275534.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/t3a6i326c9bf3a6gpghjftr4md/15968660963.pdfIn PDF document text
- https://wagaskar.com/media/83740799034.pdfIn PDF document text
- http://chunmianxian.com/upfolder/e/files/20210630090435.pdfIn PDF document text
- http://benhvientantao.com/img_duhoc/files/kudepimaruked.pdfIn PDF document text
- http://ctyrkolky-gamax.cz/data/dokumenty/saraxenoxujegumaperir.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160732f6f3d6dc---54491125663.pdfIn PDF document text
- http://119hero.kr/userData/board/file/75431063535.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/3ba0117fdfdd331248a30d3afd169c4b/sobegugenageraxiluxuni.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=chicago+footnote+and+bibliographyPDF 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_off00011046.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11046 | 11016 bytes |
SHA-256: b93278cb39ab4cb134900135e30451535679bc2ee70db4e71a441b7aeab9971e |
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font_01_sfnt_off0001296b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1296B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001417d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1417D | 17544 bytes |
SHA-256: 6ec125f192d54c6f0e6c805a58a35d03e9198ea4626ae281266adb4800c0c10a |
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