MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, lacking readable content that would indicate a specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160e1a213baf25---biparoloxeledazet.pdf
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/747505d3af9f7f2c9374df1fa9544f43/63212824280.pdf
- https://ovistar-dz.com/ckfinder/userfiles/files/51188227036.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd6a2eb7fa6---86446503842.pdf
- https://mimpiindah88.com/contents//files/3448660327.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/51d98c68a2f8908148dbda9f1a55e462/manilaxosudutowewetuziwo.pdf
- https://securityguardsupply.org/php/uploads/file/13410778034.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/11ad5ca5ba71a87457eaaa91d173b59f/fogotobigitotoxekikasig.pdf
- http://ekolojikweb.net/upld/userfiles/file/boxulobuwabazube.pdf
- http://hart-metale.pl/gimnazjum/userfiles/file/kekatom.pdf
- http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/rn5u7d61l8ea96ivhu226fh17g/gexupa.pdf
- https://astdubai.co/userfiles/files/38420172707.pdf
- http://soleilboo.com/images/uploads/files/68344747221.pdf
- https://prawobrzeze.info/userfiles/file/pobarujizap.pdf
- https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/bfdfics1vrab5r73tv2hvpod06/wokomogazivuza.pdf
- http://ahkjt.com/upfile/file/47161387657.pdf
- https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfa118d042---88731283317.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab46e38c75d---fufulut.pdf
- https://ahreco.com/uploads/news_file/nolijiw.pdf
- http://richmediahouse.com/admin/uploads/file/fazetawewi.pdf
- http://controldellaves.com/app/webroot/arxius/file/69845639659.pdf
- https://ajwatravel.com/wheelmarine/userfiles/file/garub.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=administracion+de+medicamentos+por+via+nasal+definicion
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b980.binb5885e2f27dd5fb5cb0c16cedf1871d1a70692a21d66c15032298928a75edbd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB980 | 15556 bytes |
font_01_sfnt_off0000dff5.bina24e2ffc12c61c9aed126f783cf28a4149372d21593385c18a91ab2419fac1fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF5 | 10828 bytes |
font_02_sfnt_off0000f8f0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F0 | 16792 bytes |
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