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 embedded URLs, many of which are structured as link farms, suggesting a phishing or malware distribution campaign. The presence of external URIs and the overall structure point towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://philabc.ru/uplcv?utm_term=excellent+wallpapers+for+android PDF link annotation
- http://agriturismolescuderie.eu/userfiles/files/59820402044.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/jaxuzadurejerisafitata.pdfIn PDF document text
- http://yugang360.com/upload_fck/file/2021-9-16/20210916110728907385.pdfIn PDF document text
- https://i-try.tw/upfile/files/2021/09/02/lomitugodi.pdfIn PDF document text
- https://akonis.ch/userfiles/files/92037894373.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161331dab2ab01---42497328573.pdfIn PDF document text
- http://www.gc-antey.ru/ckfinder/userfiles/files/debexukaresaj.pdfIn PDF document text
- http://majorpropertygroup.com/userfiles/files/rurotamawemufopewo.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/0f8eb027b0f5e3492f5e1f42ae2347ea/22530113785.pdfIn PDF document text
- http://geerhannutpourreussir.be/docs/upload/files/29507303543.pdfIn PDF document text
- http://originalcheck.it/public/img_admin/file///mamagamobiso.pdfIn PDF document text
- http://masan315.net/board/imagefile/file/30916570649.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/86207919083.pdfIn PDF document text
- http://xn--lv0az70cxar.tw/uploads/files/202109091552487784.pdfIn PDF document text
- http://bio-scan.com/userfiles/file/zunugigaf.pdfIn PDF document text
- http://rayer.cn/d/files/fojisikikifawuru.pdfIn PDF document text
- http://terremeraude.com/userfiles/file/bobivujoxodimugagogu.pdfIn PDF document text
- http://azs-szermierka.pl/zdjecia/fck/file/lurofisirekanope.pdfIn PDF document text
- http://dison.cn/filespath/files/20210906224839.pdfIn PDF document text
- http://mobilahomedesign.com/userfiles/files/vutijoxepozobidijagosaxo.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/92020458621.pdfIn PDF document text
- http://prasongp.com/file_media/file_image/file/fegunitagavezuguzarevomo.pdfIn PDF document text
- http://kite-surf.sk/files/monejulopetezirile.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/38057550595.pdfIn PDF document text
- https://coastalstudio.com/images/main/file/pidegapukew.pdfIn PDF document text
- http://latiendasegura.com/contable_prueba/userfiles/file/74301268634.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_off0000c015.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC015 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d82c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD82C | 10784 bytes |
SHA-256: 3f2699a9e3d0fd087c38c4d4a38668f2e10b7452a758d34124a3ac683f1c16d1 |
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font_02_sfnt_off0000f130.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF130 | 16476 bytes |
SHA-256: a864020b7c3f507be633e1adecc4749aed58cec85f82f840cfecdc4a21c94e3a |
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