MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing or trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The primary purpose appears to be directing users to malicious or phishing content through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 http://gzcil.com/uploadfile/files/safujivapawubutikijati.pdf In PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/km400c3qr1044q5mja6j9mhli1/dotenovogitire.pdfIn PDF document text
- http://thrifty-uy.com/files/others/6933300515.pdfIn PDF document text
- https://www.pessin-location.fr/ckfinder/userfiles/files/33522647756.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbe3a9280c---49010102737.pdfIn PDF document text
- http://lnv-cnc.com/userfiles/file/zeturabewosebepifawuwin.pdfIn PDF document text
- http://lso-msm.fr/userfiles/file/41145536916.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/e72e5b549cee1de944b4b254679fef89/jexofaroxanejomowosun.pdfIn PDF document text
- http://sintniklaas.kinderopvangpimpeloentje.be/ckfinder/userfiles/files/4510569056.pdfIn PDF document text
- http://raylutickenterprises.com/userfiles/files/54102648140.pdfIn PDF document text
- https://specializzati.tecnaevolution.it/dataload/ckupload/kiwawadewafolanonevo.pdfIn PDF document text
- http://kasand.com/userfiles/losivum.pdfIn PDF document text
- https://ijp2.com/contents/files/47163761539.pdfIn PDF document text
- https://livnica-metalurg.com/images/pages/file/liwigedexamedoji.pdfIn PDF document text
- http://plymouth-logs.co.uk/ckfinder/userfiles/files/53142261599.pdfIn PDF document text
- https://aihr-iadh.org/uploads/FCK_files/file/25258609128.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/ogarumirar.pdfIn PDF document text
- https://caror.hu/ckfinder/userfiles/files/manok.pdfIn PDF document text
- http://stin-verdon.fr/assets/Image/files/6635444175.pdfIn PDF document text
- http://myucmas.com/userfiles/file/nisabadozusorik.pdfIn PDF document text
- http://okna-stv.ru/userfiles/files/25406091186.pdfIn PDF document text
- http://m3hotels.com/userfiles/file/12231719103.pdfIn PDF document text
- http://goldmustang.ru/files/files/telepalufelokizo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=sms+online+apkPDF 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_off0000ce5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE5A | 10380 bytes |
SHA-256: d16fab4f8703b77ae33caad5a37ca22499073398a10b9bca511283119cf11445 |
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font_01_sfnt_off0000e5be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5BE | 17612 bytes |
SHA-256: 21e0db73ecedb4b9a78f8df095b640a4b97acdea67a5fcce8a6380783086fc86 |
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font_02_sfnt_off00011306.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11306 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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