MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm hosted on multiple domains, some of which appear to be compromised WordPress sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates these links are likely intended to direct users to download potentially malicious files, as suggested by the 'utm_term' parameter in one of the URLs pointing to 'piano tiles 2 download android'. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/edcc7a9957c0268084fcb57e52522aec/719350920.pdf In PDF document text
- https://basisangka.com/contents/files/18833589479.pdfIn PDF document text
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/jizemudinafawi.pdfIn PDF document text
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/timopudesezir.pdfIn PDF document text
- https://edusfera.pl/upload/file/77574452858.pdfIn PDF document text
- http://hadt.vn/upload/files/ganunuwefuna.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/97f27dafb2b23a594b3f0b0a06f1d787/vadelelixul.pdfIn PDF document text
- https://familienbilstrup.dk/ckfinder/userfiles/files/guliketoxuzedoxutaborodi.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/zemuxovix.pdfIn PDF document text
- http://jr.ac.th/ckfinder/userfiles/files/22252975589.pdfIn PDF document text
- http://tiwtactic.com/userfiles/files/35130412946.pdfIn PDF document text
- http://phoiinnhiet.com/images/uploads/files/99683787845.pdfIn PDF document text
- https://pointvirgule.ca/upload/editor/file/36465557861.pdfIn PDF document text
- http://marinda.ru/pics/images/file/lufovoja.pdfIn PDF document text
- http://thuaphatlailongthanh.vn/upload/contentFile/minhchau/file/63968145931.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161316e00aaa5f---pilimuma.pdfIn PDF document text
- http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/41645570381.pdfIn PDF document text
- http://brukikostka.pl/uploads/page/file/30217462232.pdfIn PDF document text
- http://avsa.org/sites/default/files/images/files/gudaburilejomiverebepi.pdfIn PDF document text
- https://sukienmiennam.com/userupload/files/76978319164.pdfIn PDF document text
- http://bagodilovaspark.hu/userfiles/file/fuvox.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=piano+tiles+2+download+androidPDF 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_off0000cfc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC0 | 21472 bytes |
SHA-256: 30ba4a730862aceac31c68a96185b65438936b10e5b570c136e3bb77869dea89 |
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font_01_sfnt_off000106a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011ec0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EC0 | 10448 bytes |
SHA-256: a0789352e08c0332f9597a2f86ff9dd227a48ecfbf146dd898bfa5249a855d07 |
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