MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://jbdclothiers.net/emailer/userfiles/file/65500118116.pdf In PDF document text
- http://wsp.pl/userfiles/file/bibigonivurevutilisurid.pdfIn PDF document text
- https://rcvizovice.cz/ckfinder/userfiles/files/81019370406.pdfIn PDF document text
- http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/97678554529.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/45294942373.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/k5mr5s17kv64i0ul92q3boc1hf/19094144827.pdfIn PDF document text
- http://air-ned.com/uploads/files/vusuvamezamemupi.pdfIn PDF document text
- http://vektorma.ru/uploads/assets/file/58876585351.pdfIn PDF document text
- http://dungcucaytrong.com/images/files/25718994875.pdfIn PDF document text
- https://mmszke.hu/files/file/91418448411.pdfIn PDF document text
- https://ashleymongolia.mn/uploads/files/kemoziv.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142077e330a7---31595210291.pdfIn PDF document text
- http://futureinfashion.com/ckfinder/userfiles/files/13594433837.pdfIn PDF document text
- http://ticaproduce.com/ckfinder/userfiles/files/xutosiluriremefadojapeki.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021090615520073499.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b08ec1844---kapapewadux.pdfIn PDF document text
- https://dichvuketoansg.com/luutru/files/204264271.pdfIn PDF document text
- http://sfipl.in/userfiles/file/85837637679.pdfIn PDF document text
- http://dangkykinhdoanhkiengiang.com/upload/ck/files/49727036412.pdfIn PDF document text
- https://www.gryf-wet.pl/ckfinder/userfiles/files/lapobepuf.pdfIn PDF document text
- https://vroa.pl/chplusfiles/file/52429402070.pdfIn PDF document text
- https://seeyounow.net/userfiles/file/konap.pdfIn PDF document text
- http://3qbuy.com/CKEdit/upload/files/38355884978.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=antutu+3dbench+play+storePDF 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_off0000d558.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD558 | 17756 bytes |
SHA-256: d9f07e826960113217195880982493f5e08c3be64a04b52e11b43e456b001433 |
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font_01_sfnt_off0001034c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1034C | 11024 bytes |
SHA-256: 56535b877b63433a193e27c8e2f3a1c7c0c6b699ae5157ac909198e5c62ef41d |
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font_02_sfnt_off00011cca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CCA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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