MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains a link farm pointing to multiple domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution campaign. The presence of external URIs and a link farm strategy points towards the user being directed to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://irlanc.ru/uplcv?utm_term=iphone+save+pic+as+pdf PDF link annotation
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/56439177876.pdfIn PDF document text
- http://korean-school.hu/hangul/userfiles/file/sadasezevuvapinatuwixokip.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085fb9335360---68098413596.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/56015183264.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/omvjcahoto6q701v8cqreat3s7/82626960991.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa60d11703---soviberukujunikotuxepera.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160cbfc581a144---gipubimofo.pdfIn PDF document text
- http://biomisszio.hu/tmp/22205795796.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16092235c15237---rekogexaw.pdfIn PDF document text
- http://villa-carlshorst.de/sites/default/files/file/17592497558.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ad37c44c7---xogujenutag.pdfIn PDF document text
- https://egf.tw/test2/images/file/badivejizelegulitanapiroz.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/5dd47ef0bc4171b5e4f8deb19a633de1/xavapukufomifaxixedoguj.pdfIn PDF document text
- http://pcccmiennam.com/media/ftp/file/95588873554.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b510e65d9e2---bujizezuxixarav.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/22950397848.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/4a560508e3bb75d9349288c55cdc5b8e/korisiw.pdfIn PDF document text
- http://22vek-omsk.ru/fck_editor_files/files/jezazapojebutonigo.pdfIn PDF document text
- http://markone-tools.com/upload/files/63858329714.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/54763591704.pdfIn PDF document text
- http://wrhs1967.org/clients/6/61/617565fc8afb9cc6d18abf932d248b7a/File/503689399.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0696fb0bc5---vozevojenefudivadakuwa.pdfIn PDF document text
- http://donghotam.com/luutru/files/bezaxe.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_off0000e553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE553 | 10488 bytes |
SHA-256: 5413a7d335eda8cc6115f42a93983c853cd17879d3c5d9f1c8fd77164ea73b56 |
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font_01_sfnt_off0000fd21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD21 | 17248 bytes |
SHA-256: 40764ff2b20a963a6edc1cf6fae501966d94d1a0fc76ee9363f775809c762854 |
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font_02_sfnt_off00012a16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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