MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a phishing or malware distribution scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights the use of link farms on disposable hosting, reinforcing the phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 5
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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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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://catamma.ru/uplcv?utm_term=10+trillion+in+billion PDF link annotation
- https://indiansabroad.uk/userfiles/file/tulukobatilopozi.pdfIn PDF document text
- https://tpijobportal.com/ckeditor/ckfinder/userfiles/files/51037181382.pdfIn PDF document text
- http://tokstar.com/_UploadFile/Images/file/nifujujutujukajibujafu.pdfIn PDF document text
- http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/29624805156.pdfIn PDF document text
- http://cephedanismani.com/images/pages/file/lufafomusosixemevofe.pdfIn PDF document text
- https://coombs.gocascadia.com/images/cms/file/darazonivodorumiwoz.pdfIn PDF document text
- http://atomleasing.ru/media/File/7526903108.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16138746e69cb4---kutuxasuw.pdfIn PDF document text
- http://dansensvenner.dk/imagesfile///wezorokiwiziravo.pdfIn PDF document text
- http://myconnect-thailand.com/image/upload/File/16700504470.pdfIn PDF document text
- https://www.q-jin.ne.jp/ckfinder/userfiles/files/90254611341.pdfIn PDF document text
- https://brune-schmuckwerk.de/ckfinder/userfiles/files/5870802615.pdfIn PDF document text
- https://98ing.com/upload/ck/files/20210909_001708.pdfIn PDF document text
- http://eurolocal.info/sites/default/files/images/file/xavukapesoravarabobokup.pdfIn PDF document text
- http://grotech.in/userfiles/file/lizafavefelusewajuko.pdfIn PDF document text
- http://culfordequestriancentre.org/UserFiles/file/wupizaxuluzutipaz.pdfIn PDF document text
- https://ubranni.com/uploader/files/63055743096.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/7acc0955a0fc9a88135ce5ccdfd62add/pafiramimido.pdfIn PDF document text
- http://gibisch.org/files/files/74129366707.pdfIn PDF document text
- http://modamoda.nl/uploads/pic_lib/file/68074088181.pdfIn PDF document text
- https://scalper.ir/data/files/file/10578794676.pdfIn PDF document text
- https://cv-vezouze.fr/media/file/mubodepigo.pdfIn PDF document text
- http://szkolaprzybranowo.pl/ckfinder/userfiles/files/besegekurobaxovowel.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_off0000b45c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB45C | 9856 bytes |
SHA-256: 87d951a64fbf2e9e2fcc739eae48a42ab469fe361dea66b8507d1bdb1da11a58 |
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font_01_sfnt_off0000ca04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA04 | 18536 bytes |
SHA-256: f43a368503c141cd721a6c38f121210fde6f1969abd9caf23b556f83b140bf06 |
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font_02_sfnt_off0000f870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF870 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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