MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was identified as malicious by a machine learning classifier and ClamAV, which flagged it as a phishing trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to compromised CMS upload directories and disposable hosting. These links likely lead to further malicious content or phishing pages, indicating a phishing and potential malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 https://ecodiagnost.com/ckfinder/userfiles/files/85011073538.pdf In PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/3b3ee0162756cbd35bf453bf32ac8770/xizavejawi.pdfIn PDF document text
- http://bishnutoursandtravels.in/userfiles/file/55318407053.pdfIn PDF document text
- http://viswinkelindex.nl/images/uploads/selule.pdfIn PDF document text
- http://indel.sk/userfiles/file/rofixafuw.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131bf39d7767---kufugimonepibupasup.pdfIn PDF document text
- http://radtel-sport.pl/userfiles/file/kepamemifupasoli.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/xurigemizewu.pdfIn PDF document text
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/94644470962.pdfIn PDF document text
- https://hygradeinsulators.com/images/uploads/file/8671641043.pdfIn PDF document text
- http://naplesredeals.com/userfiles/files/2152430731.pdfIn PDF document text
- https://siemreaptraveltours.com/userfiles/file/gazozobusosevelobili.pdfIn PDF document text
- http://ombs.ru/uploads/files/63631466545.pdfIn PDF document text
- https://eyescare.vn/app/webroot/upload/ckfinder/files/mifidiviwiza.pdfIn PDF document text
- http://sushistoryus.com/uploads/files/zosedafokodagu.pdfIn PDF document text
- http://www.de.ruben.pl/ckfinder/userfiles/files/53824433749.pdfIn PDF document text
- http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/balimivasojevifu.pdfIn PDF document text
- http://vaynhe.com/upload/files/jovoretusanezaworip.pdfIn PDF document text
- http://galerie45.com/userfiles/file/risutazof.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a15acf09a5---28564745114.pdfIn PDF document text
- https://brune-schmuckwerk.de/ckfinder/userfiles/files/gigeza.pdfIn PDF document text
- https://dichocungtoi.com/userfiles/file/biruzejobonaxi.pdfIn PDF document text
- http://brunagabriele.it/userfiles/files/rivuvawumezilili.pdfIn PDF document text
- https://technoarc.net/userfiles/file/91668989091.pdfIn PDF document text
- http://giteduguedesboires.com/userfiles/file/kanejosewevujokidedejok.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ddc233d0e9---23282997927.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=after+we+collided+full+book+onlinePDF 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_off0000e29b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE29B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fab2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAB2 | 10536 bytes |
SHA-256: d13bb0da3782256b77e939324873237b3e86c2d3acb9888851c23f3886bb5892 |
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font_02_sfnt_off000112dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112DC | 18028 bytes |
SHA-256: c112edad4f56df6abbf84d82851a30352ea1c0242c4bd982fd3bd0e1cc0afa74 |
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