MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm heuristic, indicating it is designed to direct users to multiple external websites. Several URLs extracted from the document are hosted on compromised CMS upload directories, suggesting a malicious intent to distribute further payloads or conduct phishing. The ClamAV detection and ML classifier strongly indicate malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/156e2fa0db301860426b3995b061fab2/bilekemoredife.pdf In PDF document text
- http://rdmsrl.it/userfiles/files/59624627983.pdfIn PDF document text
- https://coastalstudio.com/images/main/file/zewakomavevozezixaxeb.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/lr4lf5rk9de0ugo2623540ar2m/77207079715.pdfIn PDF document text
- https://nileagriculturalindustries.com/file/nemawotarojabufuj.pdfIn PDF document text
- https://corpus.bg/files/fck/file/lolexadefanofora.pdfIn PDF document text
- http://agriturismolionsfarm.it/userfiles/files/jekonaxufexe.pdfIn PDF document text
- https://mackbeks.com/files/file/fotuzedotuvigetifuk.pdfIn PDF document text
- http://drsuthichai.com/userfiles/files/mokexizixuforedenexotij.pdfIn PDF document text
- http://shijijiaming.net/filespath/files/20210908091546.pdfIn PDF document text
- https://odontologosmalca.com/images/userfiles/file/fabajobutinesibunon.pdfIn PDF document text
- https://tktravelkorea.com/FileData/ckfinder/files/20210908_380865C43EF5DA03.pdfIn PDF document text
- https://forssh.com/userfiles/file/tonevagatozepesavunatezos.pdfIn PDF document text
- https://receptabc.hu/images_banner/files/wavejorutesumuresete.pdfIn PDF document text
- http://planet-for-events.de/userfiles/file/7856866385.pdfIn PDF document text
- https://mepho.hu/ckfinder/userfiles/files/76971959519.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-14/20210914150014167997.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/soropikoxenavozaroz.pdfIn PDF document text
- http://tsg-edinstvo.ru/userfiles/file/53363398949.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/5777986455.pdfIn PDF document text
- http://tamlaproject.com/userData/board/file/57833598680.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/conn4omd144s6fgmrmrelf2co0/peresemibaxuxur.pdfIn PDF document text
- http://dxline.eu/userfiles/file/zexuxa.pdfIn PDF document text
- https://westhigienia.hu/editor_up/20702193129.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=balancing+equation+practice+worksheet+answer+keyPDF 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_off0000bcb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCB3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d4c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4C5 | 18088 bytes |
SHA-256: 9f322416783b82438674fb5723961364d748f99c06572f745d9bff82666013ca |
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font_02_sfnt_off00010349.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10349 | 11244 bytes |
SHA-256: 576abe5b512b1258d68866189ff9806f19b72dcc1dfd534662619e63a1811c0d |
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