MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress uploads or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://aeronautike.com/userfiles/file/72573353092.pdf In PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/a014468b29678a8f8980ca90d94bb889/velotetuzatiti.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161452b1096ff7---bezikaliru.pdfIn PDF document text
- https://semsaesp.com/ckfinder/userfiles/files/22653554155.pdfIn PDF document text
- http://edilcfcostruzioni.com/userfiles/files/resovipotil.pdfIn PDF document text
- https://derechosenred.org/aym_image/files/defipelixixomelugizof.pdfIn PDF document text
- https://tattica.byespresso.com/app/webroot/files/upload/files/28687182845.pdfIn PDF document text
- http://sbkf.org/files/files/58397015063.pdfIn PDF document text
- https://jewfri.kr/files/image/files/73518787835.pdfIn PDF document text
- http://tv-kitchen.ru/files/files/13694939362.pdfIn PDF document text
- https://soudureornementalelauziere.com/upload/editor/file/vojubujalelenit.pdfIn PDF document text
- http://commsoft.nu/demo/ktb/wsmbilder/files/31060036236.pdfIn PDF document text
- http://acudrved.com/ckfinder/userfiles/files/85949259162.pdfIn PDF document text
- http://vector-food.pl/userfiles/file/30562535524.pdfIn PDF document text
- http://husplaza.hu/editor_up/kadedifa.pdfIn PDF document text
- http://hillsdalehorseboarding.com/ckfinder/userfiles/files/voxakiwutibefelite.pdfIn PDF document text
- http://hndgyl.com/v15/Upload/file/2021106048243090.pdfIn PDF document text
- https://noventa.cz/media/files/file/57236639653.pdfIn PDF document text
- https://verredistri.fr/xmedia/file/83723339072.pdfIn PDF document text
- https://speedwayinfo.hu/uploads/file/53633031319.pdfIn PDF document text
- http://myhomeinparis.com/userfiles/files/81537909505.pdfIn PDF document text
- https://clicksnepal.grnca.org/img/files/files/8014928011.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/otlrr7rksgf5apiv26mnbbg0gu/gefifojo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=magnesium+stearate+pubchemPDF 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_off0000c9c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e1d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1D7 | 20072 bytes |
SHA-256: b8bba0a5084c0c570fab2921b9c6c7a78e2f333357f2e0b966a08e872c86af27 |
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font_02_sfnt_off0001174a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1174A | 10888 bytes |
SHA-256: 09385a36e2ee0e476624056c3e575b686c09542e88c87dd17705d4f64f189d88 |
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