MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it is a link farm and a callback phishing lure. The document body is heavily obfuscated, preventing a clear understanding of its direct content, but the presence of numerous external links and the callback lure heuristic strongly suggest a phishing or scam attempt. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://gustosandvic.com/ckfinder/userfiles/files/vaxak.pdf In PDF document text
- http://thamdinhgiadaiquang.com/img/files/68709845684.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/cf9411ccc53089fbe2a41e3d169a9f27/dolukele.pdfIn PDF document text
- http://wuyioutdoor.com/userfiles/file/39095863182.pdfIn PDF document text
- https://mycultureis.com/FileData/ckfinder/files/20210918_65E987D08B236BF1.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/69679520701.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/51437228504.pdfIn PDF document text
- http://equipociclistaugeraga.com/ciclistas/userfiles/file/97932907700.pdfIn PDF document text
- https://ciiinnovationsummit.com/ci/userfiles/files/fasumorufozuvunof.pdfIn PDF document text
- https://eventpro-kontraktorpameran.com/uploaded/files/jegoxew.pdfIn PDF document text
- http://slstudio.it/userfiles/files/putesadipinejinunan.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/waxopawimigax.pdfIn PDF document text
- http://ngor2-3.com/file_media/file_image/file/nakaj.pdfIn PDF document text
- http://onsijsselstein.nl/userfiles/files/28674058307.pdfIn PDF document text
- http://webinaris.blog/ckfinder/userfiles/publics/files/fupadozedulugakeg.pdfIn PDF document text
- http://cityclick.it/userfiles/files/merijizasu.pdfIn PDF document text
- https://vieclamlaocai.vn/webroot/img/files/xogulomaluginuzawixekef.pdfIn PDF document text
- http://burbank.kopanramen.com/uploads/files/61641630188.pdfIn PDF document text
- http://rebeccaosborne.com/uploads/39072277188.pdfIn PDF document text
- https://solener.info/ckfinder/userfiles/files/47190955914.pdfIn PDF document text
- https://kenadong.com/contents/files/bukofa.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302e323504a---xewanen.pdfIn PDF document text
- http://closehorses.com/userfiles/file/tanozixegizo.pdfIn PDF document text
- http://martom24.pl/martom/userfiles/file/dupule.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=gps+field+area+appPDF 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_off0000cd98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD98 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e5aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5AA | 19512 bytes |
SHA-256: f21a11184004c00a48982ee6b9283ff2ef3da46ef597f2ce9e867af543aabc34 |
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font_02_sfnt_off000118e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E8 | 10208 bytes |
SHA-256: 07a0b0de7c40dba434044c170bf1bf4391e8630d9dedb3b4759e3e63e5c100a1 |
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