MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised CMS upload directories or are hosted on disposable domains, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://hotnews.md/upload/userfiles/files/74523288528.pdf In PDF document text
- http://toyotarenta.net/FileData/ckfinder/files/20210801_18DEA6723403F0F4.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d57a73a11---marokovutopa.pdfIn PDF document text
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607764059ef16---64409238879.pdfIn PDF document text
- http://archerelectricsupply.com/userfiles/file/35892335173.pdfIn PDF document text
- https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/rapirilinupakaxovumopesiv.pdfIn PDF document text
- https://boucherienabli.com/uploads/FCK_files/file/41172588041.pdfIn PDF document text
- https://charlesstreetvideo.com/userfiles/file/41301375182.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/84862292828.pdfIn PDF document text
- https://tranhdaquyhn.com/uploads/news_file/62238532217.pdfIn PDF document text
- https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160812b655f49a---toduvefagajasizelaveka.pdfIn PDF document text
- http://sibzakon.ru/ckfinder/userfiles/files/72112268496.pdfIn PDF document text
- http://fruitvita.com/files/files/79651309075.pdfIn PDF document text
- http://lulanjina.net/upload/files/74606758904.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16115a3f8a42fa---52531788541.pdfIn PDF document text
- http://taikenplan.jp/ckfinder/userfiles/files/xuwavedaj.pdfIn PDF document text
- https://limpiezasinasel.com/userfiles/files/31772713108.pdfIn PDF document text
- http://xn--989ap7r0xbd5x.com/upload/fckeditor/file/birigaxedivaxixamojuladum.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/sk39lmrpor1mgshl7a20ri1i26/sakilo.pdfIn PDF document text
- https://micsys.in/userfiles/file/sevoxexekajolojotupi.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105180307156296.pdfIn PDF document text
- http://centronegozi.com/public/54483912090.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=look+at+me+remixPDF 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_off0000d7c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7C9 | 10104 bytes |
SHA-256: 52afea9f7d1e80757b028e8c49b01002f14ac97a94b942722d3a329f8773470c |
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font_01_sfnt_off0000ee5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE5D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001066f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1066F | 18456 bytes |
SHA-256: 011a1d8375ad1c396328fc368ade03474ff4c3da5bfd34ea8b60d9222869ada4 |
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