MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and ML classifiers, and exhibits characteristics of a link farm with numerous external URLs pointing to PDF files. The PDF_RANDOM_URL_LINK heuristic specifically highlights a link to http://carraracucinecomponibilitrapani.it/userfiles/files/54279474457.pdf, suggesting an attempt to redirect the user to potentially malicious content. While no scripts were explicitly extracted, the nature of the heuristics and the embedded URLs strongly indicate a phishing or malware distribution vector, likely initiated via spearphishing.
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 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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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://huntic.ru/uplcv?utm_term=where+is+downloaded+music+stored+on+android PDF link annotation
- https://www.hkha.com.hk/ckfinder/userfiles/files/61992110805.pdfIn PDF document text
- http://baheth24aqari.com/ckfinder/userfiles/files/ruposi.pdfIn PDF document text
- https://osakaav.com/userfiles/files/61601973867.pdfIn PDF document text
- http://carraracucinecomponibilitrapani.it/userfiles/files/54279474457.pdfIn PDF document text
- http://avalon-essenzen.at/userfiles/file/31839650605.pdfIn PDF document text
- http://cathugo-yachts.de/res/wysiwyg/file/furobisujipidesiwa.pdfIn PDF document text
- http://libertyquad72.fr/userfiles/file/41187665407.pdfIn PDF document text
- http://dissanna.com/temp/fckeditor/file/31735219586.pdfIn PDF document text
- http://ventexevent.se/uploads/file/72392308238.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name/files/fedozajulajuvinexusijig.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161343850c13f3---35227457796.pdfIn PDF document text
- http://maksimetall.ru/files/98122143046.pdfIn PDF document text
- http://roycraft.ca/userfiles/file/26910329514.pdfIn PDF document text
- http://n2nnetworks.com/files/others/27779926205.pdfIn PDF document text
- https://5uempat.com/contents/files/tetufenaved.pdfIn PDF document text
- http://cattaneoarchitetti.it/userfiles/files/keduged.pdfIn PDF document text
- http://1qjd.com/upload/files/2021-09-15-16-29-30-couRnJpV.pdfIn PDF document text
- http://studiotecnicobonoli.com/userfiles/files/10963877894.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/wutakimotib.pdfIn PDF document text
- https://finliz.lt/i/File/36506648971.pdfIn PDF document text
- https://truckforceone.com/upload/editor/file/xirowawuzetawekumisulu.pdfIn PDF document text
- https://nbretail.com.vn/ckfinder/userfiles/files/vetegegesugozezi.pdfIn PDF document text
- 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_off0000b48a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB48A | 17060 bytes |
SHA-256: 57fafef47c88375ec2343f0135d2fc17b35a9f6649fab0dbc4a6045292cc151b |
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font_01_sfnt_off0000e031.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE031 | 10816 bytes |
SHA-256: 14c8702629382a556605e95026c307a7f3e022e20bb52232f6077e0ee8e63f26 |
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font_02_sfnt_off0000f90e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF90E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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