MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, forming a link farm designed to redirect users to potentially harmful content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and heuristic firings indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://icoachyou.biz/images/ckeditor/files/16459746235.pdf In PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/t13gcu5m375n17slp9v045jar8/38071264435.pdfIn PDF document text
- http://fujieshubao.com/zk/UploadFile/file/2021091814072473499.pdfIn PDF document text
- http://terralis.eu/catalogue_dynamique/file/nezozemotipedejiwi.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/5039138501.pdfIn PDF document text
- https://beeshark.ro/app/webroot/files/userfiles/files/busukapabudenesanuz.pdfIn PDF document text
- https://nieruchomosciprzetargi.pl/files/file/kodog.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16133b5b932282---67110376478.pdfIn PDF document text
- http://elvirajogsi.hu/ckfinder/userfiles/files/50428423586.pdfIn PDF document text
- http://rotarybrescello.it/userfiles/files/95791717811.pdfIn PDF document text
- https://kemxoithanhhang.vn/app/webroot/files/images/pages/files/23729228562.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/0lf091djcgbpc9255607722jhv/nanolasoketob.pdfIn PDF document text
- http://abhinavabhishad.org/userfiles/file/futalowetarokezupate.pdfIn PDF document text
- http://ansing.nl/userfiles/file/xifebafisiwomet.pdfIn PDF document text
- http://robalton.es/Albums/images/file///97543899156.pdfIn PDF document text
- https://blokhol.com/upload/files/95625512315.pdfIn PDF document text
- https://buffinvestment.com/upload/ckfinder/files/84715706167.pdfIn PDF document text
- http://sydjpg.com/images/upload/file/20210907_020516_193.pdfIn PDF document text
- https://szallas-karpatalja.hu/upload/xepegiwu.pdfIn PDF document text
- http://yuanjiangchem.com/upload/files/34412664117.pdfIn PDF document text
- https://ldcpc.com/ckfinder/userfiles/files/sofamixo.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16137fcf06d238---21848342116.pdfIn PDF document text
- http://atya.eu/files/file/pefowineja.pdfIn PDF document text
- http://daivupaint.com/img-chamthi/files/xojutapudegumixisugiz.pdfIn PDF document text
- http://abwninemile.com/uploads/files/75252858854.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=how+to+connect+ipod+to+android+phonePDF link annotation
- 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_off0000ec7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC7C | 10472 bytes |
SHA-256: c63add426884208f8c2cf692d486a03ae1b0bc62a783be3969a1d99e67b9d454 |
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font_01_sfnt_off00010433.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10433 | 17656 bytes |
SHA-256: 975079f5ec4bf119b15264f5765b94786558e803a7e55ca0a7fc93ce744d2452 |
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font_02_sfnt_off00013267.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13267 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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