MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains numerous external URLs, many of which are embedded within the PDF structure, suggesting a link farm or redirection mechanism to malicious sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further indicates a non-clustered link farm on disposable hosting, reinforcing the phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 5
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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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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=quadratic+function+with+two+points PDF link annotation
- https://vasantviharproperties.com/userfiles/file/96197308041.pdfIn PDF document text
- http://theprofitnesstrainers.com/userfiles/file/68864238370.pdfIn PDF document text
- http://pengyou-english.com/FileData/ckfinder/files/20210908_FFC8EE11EBC35E01.pdfIn PDF document text
- http://cesurmakina.com/userfiles/file/65439766794.pdfIn PDF document text
- http://hotdeals24x7.com/ci/userfiles/files/58154966794.pdfIn PDF document text
- https://floresdeserrezuela.com/aym_image/files/31928482711.pdfIn PDF document text
- http://peknanevesta.sk/media/file/gowemitezi.pdfIn PDF document text
- http://anticacarsulaeborzoi.eu/userfiles/files/54469257132.pdfIn PDF document text
- https://vcubusinesssolutions.com/userfiles/file/dukubigilakuverekazoxime.pdfIn PDF document text
- http://driscollandgibson.com/images/edit_images/file/26874652116.pdfIn PDF document text
- http://kbidc.kr/upload/editor/file/1631163835.pdfIn PDF document text
- https://mosallaesf.ir/uploads/ck/files/duzazaxipokafimix.pdfIn PDF document text
- http://strandedtattoo.info/file/72057153648.pdfIn PDF document text
- http://luxe-pools.fr/i/File/riwuvebavakapatigofo.pdfIn PDF document text
- http://www.egymast-segito.hu/uploaded/fck/file/madetubutajuba.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/161335425cd36a---60818246734.pdfIn PDF document text
- https://appchecar.com/ckfinder/userfiles/files/68572572928.pdfIn PDF document text
- https://chaletsuenodesol.de/files/gunidaxuvatefume.pdfIn PDF document text
- http://textingrights.com/userfiles/files/58470444769.pdfIn PDF document text
- https://jnnjhansi.com/userfiles/file/voxuvanuz.pdfIn PDF document text
- http://pamatudarbai.lt/ckfinder/userfiles/files/53216287205.pdfIn PDF document text
- http://homeopathyhongkong.org/files/1484295358.pdfIn PDF document text
- http://dieterheich.de/images/uploads/file/warovigasagukepu.pdfIn PDF document text
- http://mybed.tw/uploads/files/202109070925264598.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614595ae95b3c---linatebovaxure.pdfIn PDF document text
- http://shannonlakeestates.org/fck_images/file/16199668828.pdfIn PDF document text
- http://armanetti.com/images/84318263555.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_off0000d924.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD924 | 10784 bytes |
SHA-256: f8fa2147f53e485b374dd18a5b59fc24b610c4fa7a23e03980efaff52e27592a |
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font_01_sfnt_off0000f214.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF214 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A26 | 16820 bytes |
SHA-256: a77889dc83b1f3e3410feac638adb9a8409bbfbdb270fe7235dbd8e3bf68a62c |
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