MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ClamAV as a phishing trojan and ML classifiers indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. 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 0.9960
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://philabc.ru/uplcv?utm_term=exploration+craft+download+apk PDF link annotation
- https://lean-ds.com/upload/editor/file/gizarisikudebukitoxana.pdfIn PDF document text
- http://baracenter.be/userfiles/file/lulewe.pdfIn PDF document text
- http://yuli-china.ru/d/files/finawepak.pdfIn PDF document text
- https://specializedfacilitymgt.com/public_html/userfiles/file/36619680814.pdfIn PDF document text
- https://infrastone.com/userfiles/files/bulunirobewubazobeko.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16143f87d9a3f7---69348031871.pdfIn PDF document text
- https://conexkarvan.com/cache/fck_files/file/22158040601.pdfIn PDF document text
- http://www.somdattabasu.com/fckimages/file/78873231423.pdfIn PDF document text
- http://silverspringabw.com/uploads/files/35167264773.pdfIn PDF document text
- http://sushinamu.com/uploads/files/kajekaxezule.pdfIn PDF document text
- https://xn--dokumaanahtarlk-llc.net/userfiles/file/jerasosatutaburukesa.pdfIn PDF document text
- http://merklink.nl/site/data/ws/files/pafakekedajafezo.pdfIn PDF document text
- https://bosgo.mn/uploads/files/90013277447.pdfIn PDF document text
- http://hyunsin.net/userfiles/file/pibif.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613595c8c2b50---48272107528.pdfIn PDF document text
- http://change4best.ru/upload/file/96329021771.pdfIn PDF document text
- http://sportingfoundation.com/uploads/file/jajakavebenifudu.pdfIn PDF document text
- http://modamoda.nl/uploads/pic_lib/file/39159603852.pdfIn PDF document text
- https://gestcargo.com/uploadfiles/file/potazezaxulebesaxiki.pdfIn PDF document text
- http://ahrestygz.com/userfiles/files/20210904_100008.pdfIn PDF document text
- http://hzzxtl.com/UploadFile/file/20210905150113360.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614148a88e6fb---lamaxiwusavekopiwifijemam.pdfIn PDF document text
- https://easyown.ddproperty.com/datas/files/gipanetida.pdfIn PDF document text
- 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_off0000d35b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD35B | 17540 bytes |
SHA-256: 948e405324a3ef641bab0ff93e8f13c4c0a48b39cc98de85951347d67e34971a |
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font_01_sfnt_off000100d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D6 | 10576 bytes |
SHA-256: 7892beaccfb41932fc32947c60a3fd30fe50c65493fc86615ce5159f0886a573 |
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font_02_sfnt_off00011923.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11923 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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