MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links to external files, many of which are hosted on potentially disposable domains, suggesting a link farm or downloader. The presence of a 'download button' heuristic further supports the attack pattern of luring users to download a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://xy-interior.com/uploads/files/202109090632198532.pdf In PDF document text
- http://www.tobywells.org/media/fckdir/file/venuzekasomezelolepegi.pdfIn PDF document text
- http://chonburi33.com/userfiles/file/61422152530.pdfIn PDF document text
- https://alhasooncorp.com/Files/files/wazuzipimulatexogorugebor.pdfIn PDF document text
- http://ilsungwarehouse.com/userData/ebizro_board/file/domogo.pdfIn PDF document text
- https://at2-turbo-j3t.com/contents/files/kexemexuxamagelalavob.pdfIn PDF document text
- https://deltaguvenlik.net/userfiles/file/fulelazugawujamok.pdfIn PDF document text
- https://smartstone.ca/userfiles/files/letikel.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/81275622330.pdfIn PDF document text
- https://cantellodetersiviprofessionali.it/uploads/file/48549972020.pdfIn PDF document text
- https://ph789.com/pinhsuan/files/file/39677931395.pdfIn PDF document text
- https://floresdeserrezuela.com/aym_image/files/4583534335.pdfIn PDF document text
- http://ccadl.com/files/20210904203731.pdfIn PDF document text
- http://oawebserver.com/piceditor/file/50344574573.pdfIn PDF document text
- http://goldnumber.info/userfiles/file/godowekawamuzofigiz.pdfIn PDF document text
- http://gallery4walls.com/upload/editer/file/51863707988.pdfIn PDF document text
- https://voyageaventurenepal.com/upload/files/xomajosozilelufolaxif.pdfIn PDF document text
- https://quangcaowebsitecomvn.xemlaco.com/uploads/files/90717246433.pdfIn PDF document text
- http://julianina.dk/upload/file/botefojanobejesiw.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613537e04bfae---joxubumebirejexofexazosa.pdfIn PDF document text
- https://tigapilar.com/upload/files/vegilifiwotilu.pdfIn PDF document text
- https://gabinetpro.pl/kosmetyczka/krakow/files/92507107798.pdfIn PDF document text
- https://phnews.ro/files/file/80176122435.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=chrome+lite+apk+downloadPDF 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_off0000da61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA61 | 17840 bytes |
SHA-256: 027bfc6124abdbbec30d10ab2ef3a654570d0a8eec69ec6c8ac575c86b4b3b80 |
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font_01_sfnt_off00010922.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10922 | 10696 bytes |
SHA-256: 9ad0e2b1e3ae71e3a657260d10af3ab30c871aa3dfa8fb57d373b748f03bf2c6 |
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font_02_sfnt_off00012188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12188 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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