MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external URIs pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The PDF's structure and the presence of multiple external links indicate it's likely used as a lure to lead victims to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://coretry.ru/uplcv?utm_term=metaphor+vs+simile+worksheet PDF link annotation
- http://alpha-cp.com/userfiles/file/36040345808.pdfIn PDF document text
- http://exima.kr/userData/board/file/rusavabek.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079fb868f14a---83994726678.pdfIn PDF document text
- http://eprdel.cz/userfiles/file/29641614272.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160814bdb04d1d---mojasavubapubipasaj.pdfIn PDF document text
- http://xn--xhq021fvrwdth.com/d/files/68796564873.pdfIn PDF document text
- http://manpukulivermore.com/uploads/files/xepabeba.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/83952749354.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/25874ea09b4bf310a4dc38814531e716/lewix.pdfIn PDF document text
- http://aeronautike.com/userfiles/file/gunok.pdfIn PDF document text
- https://mo-space.space/web/img/podborky/files/zufixajitemipakugepapubuv.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/e22e020b463d34dcab8fa4e9a0c2ffc3/xaxesezegavurakex.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/ab15f0bb5cd4a346468d869edaf1e147/lenelojigisulezapaze.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/9f2169cee91bdd9bdcd863dd3e5c113c/43768840969.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607788f61b8d9---mibexagiramame.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e434f4a4701---11809486975.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/frhlq798poitbeu9t2g1amghp7/pogemugobamajazerivilesa.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9619bc19d---zoxalava.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8abc5dafb2---napogali.pdfIn PDF document text
- http://motovelo-nmsk.ru/userfiles/file/venafunetarinaredenes.pdfIn PDF document text
- http://retailcop.ca/files/sitemusitesuwawezimurot.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/5c2f4b9e1e88a7606fa1815029d76840/wibusitakonadef.pdfIn PDF document text
- https://mzr-avocats.com/buddha/ckfinder/userfiles/files/wuzase.pdfIn PDF document text
- 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_off0000bf09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF09 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d720.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD720 | 10648 bytes |
SHA-256: b337bcbe306036ab933082851c3d8a941c247f4d85322bd7ce279fdd9ffd34d4 |
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font_02_sfnt_off0000ef95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF95 | 16996 bytes |
SHA-256: 6d066e5aa5b05acc0b203e6de31db1ed93391e01cd254b8a22dab17f116fbdd0 |
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