MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URIs and is identified as a link farm hosted on disposable domains, suggesting it's used for phishing or distributing further malware. The presence of embedded URLs and the nature of the heuristics point towards a spearphishing attachment as the likely initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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=couple+games+play+store PDF link annotation
- http://sea-cruise.ru/ckfinder/userfiles/files/26184196832.pdfIn PDF document text
- http://ehomerealestate.org/images/file/2307550552.pdfIn PDF document text
- https://inprovitvenezuela.com/ckfinder/userfiles/files/67848611549.pdfIn PDF document text
- http://canadanur.com/resimler/files/gijifemuvametunirigagowo.pdfIn PDF document text
- http://globalfeedindustry.com/upload/files/musopamebunut.pdfIn PDF document text
- https://mraos.com/web/userfiles/file/67852516917.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613610d99bcda---gagabagajijerijebifagesi.pdfIn PDF document text
- https://robertbah.si/files/file/77751342222.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/af346d642bf5793d7ab9580180d0a0a6/viwabadamilajovonitexo.pdfIn PDF document text
- https://www.loscam.com/lib_common/ckeditor/ckfinder/userfiles/files/57811379450.pdfIn PDF document text
- http://konstruktor33.ru/app/webroot/files/files/57976421477.pdfIn PDF document text
- http://tonioloclaudio.it/userfiles/files/dulijadodisigowogevos.pdfIn PDF document text
- http://parquet-cortes.fr/data/Files/dodazojakelupimena.pdfIn PDF document text
- http://appinaris.net/ckfinder/userfiles/publics/files/fepobozigiwurerugi.pdfIn PDF document text
- https://nonbodepsg.com/uploads/files/64039868778.pdfIn PDF document text
- https://hohsingfiber.com/ufiles/files/68891222959.pdfIn PDF document text
- http://mdknoodles.co/uploads/files/mikojajomuso.pdfIn PDF document text
- https://sanaspinler.com/calisma2/files/uploads/womefigudipaguminetuxow.pdfIn PDF document text
- https://ferdavagnar.is/images/fck/file/69902090387.pdfIn PDF document text
- http://mygiftltd.com/userfiles/file/74997349487.pdfIn PDF document text
- http://lafenicealcamo.it/userfiles/files/seziwowigudujisaso.pdfIn PDF document text
- http://cn-polylysine.com/d/files/14337123898.pdfIn PDF document text
- http://thongthien.vn/upload/files/16977271354.pdfIn PDF document text
- http://thegioimercedes.com/upload/files/65285525400.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/39830107662.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_off0000b042.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB042 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c859.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC859 | 10644 bytes |
SHA-256: eb17eea1a1902a174b4356ae7b462e5efed110a43a5560be67614a51aff6d67b |
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font_02_sfnt_off0000e0d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D9 | 16860 bytes |
SHA-256: 91289297af113d35f33d95cc46b7ea81e5b362fc52f0f94469dfdf7dd45c6343 |
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