MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains a link farm pointing to numerous disposable or compromised domains, suggesting an attempt to distribute malware or conduct phishing. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a non-clustered link farm on disposable hosting, and the PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristic points to links hosted on compromised WordPress upload storage.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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 http://dichvu12h.net/userfiles/file/tokikorozox.pdf
- https://firsatoyun.com/calisma2/files/uploads/xulilajolo.pdf
- http://www.peritaonline.es/ckfinder/userfiles/files/29416415127.pdf
- http://yonseri.org/userfiles/files/noxab.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/4bnml8f9m6lb5qip054be4jdq0/ponizebobebavagepodo.pdf
- http://rhondachem.com/d/files/5948391914.pdf
- https://vietnam-pump.com/userfiles/file/kisetodugifitikanud.pdf
- https://kstraders.com/userfiles/file/kukigawop.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613f81b92dbc3---zekilowasiguninab.pdf
- http://hoangminhphatkorea.com/webroot/img/files/3227231470.pdf
- http://krakow4you.pl/krakow/files/lalivejawivuv.pdf
- http://strandedtattoo.com/file/80223221625.pdf
- https://specialgarden.ro/userfiles/file/seduvigiga.pdf
- http://naasschoolofmotoring.ie/fckeditor/userfiles/file/zimonomi.pdf
- http://munnarteabungalows.com/userfiles/file/jopiwiveroxazomuror.pdf
- https://5974293.pasarantogel.com/contents/files/92695734353.pdf
- https://ewastexperts.com/userfiles/files/zulof.pdf
- http://opuspointpartner.com/ckfinder/userfiles/files/71863461112.pdf
- https://tw-itemaos.com/ckfinder/userfiles/files/52008823359.pdf
- http://tamtamphat.com/upload/files/58852616948.pdf
- http://oreade-breche.fr/userfiles/file/rizaj.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131a4f3bc9df---bakivamubamasepokidaxipu.pdf
- http://assytekservizi.com/userfiles/files/wakavuribiromemusotolo.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3b06b78565118f88643368eab4ab536a/lesawolegajexesozerilo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=best+piano+tiles+game+2020
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b000.bin0ae48a8350dc7bb9b11df056b94b84d970bae5d4afa8ec7c3f2aa8d06b3896f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB000 | 16672 bytes |
font_01_sfnt_off0000da95.bin01cd0e4798e93fb086042d610f43ddeed7bf091af48aa863f5c4a4f61b651684 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA95 | 16232 bytes |
font_02_sfnt_off0000f06f.bind42debe5aa43ecd5c676bc608e526d8816f2b5e5c4b64b6754de6b4eeee5cf22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF06F | 10792 bytes |
font_03_sfnt_off0001095e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1095E | 16792 bytes |
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