MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of a link farm and the nature of the URLs indicate an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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.renfrewareahealthvillage.ca/ckfinder/userfiles/files/33853951641.pdf In PDF document text
- https://zzwgjx.com/d/files/rufuwupixumipozaduw.pdfIn PDF document text
- http://xn--80aa5alfu.kz/file/zekibemawod.pdfIn PDF document text
- https://glearningsolutions.com/userfiles/files/webud.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/68857701707.pdfIn PDF document text
- https://jpjplumbingandheating.com/FCKeditor/file/fomobevap.pdfIn PDF document text
- https://scout-educationguide.com/userfiles/file/borokepuxegenomewule.pdfIn PDF document text
- http://recuva.kr/upload/fck_img/1632012298/file/nunexaxewe.pdfIn PDF document text
- http://velomagazin.hu/UserFiles/file/zegemupenakofotasefegi.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/161453644ace00---96298586794.pdfIn PDF document text
- http://hanauhrova.cz/files/49777211017.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/7992826294.pdfIn PDF document text
- http://grandviewcommunity.com/userimages/kezonitibiremonulujuxa.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/9d913c9be3ef9318a3ff47fc10031dc7/42600390211.pdfIn PDF document text
- http://antansconstructions.com/ckfinder/userfiles/files/pobovajafasatofikaso.pdfIn PDF document text
- http://kommunikator.nu/demo/userfiles/file///13628056090.pdfIn PDF document text
- http://knshzj.com/CKEdit/upload/files/5144222736.pdfIn PDF document text
- http://yuh-tarng.com/userfiles/file/16657615012.pdfIn PDF document text
- https://mclandpin.com/calisma2/files/uploads/31344279633.pdfIn PDF document text
- http://americasbestwingsbeltsville.com/uploads/files/wibejagusifinamel.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/50levgcl4ac79fi4rb72j5os20/3917346675.pdfIn PDF document text
- http://abwingscolley.com/uploads/files/nesusifix.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=barron%27s+sat+reading+pdfPDF 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_off0000b8a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d0b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0B7 | 19280 bytes |
SHA-256: 7a4c68483875e04c67eb1d59548d5379ca55aa2160e643e11005c464c97d3e89 |
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font_02_sfnt_off000103a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A2 | 10716 bytes |
SHA-256: 9c8f2280b6302bc567acf05a8c39af80575f835d9a55b00c74784ed2a81ce5c4 |
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