MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to numerous external PDF files hosted on disposable domains, with one URL specifically mentioning 'screenshot apk free download'. This suggests a phishing or malware distribution attempt, likely disguised as a legitimate download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://coretry.ru/uplcv?utm_term=screenshot+apk+free+download PDF link annotation
- http://i-physiology.ru/upload/ligepipudipozujepojizule.pdfIn PDF document text
- http://najlepsietorty.sk/uploads/fck/file/63015564126.pdfIn PDF document text
- http://yogo110.com/userfiles/file/lopawizorunavinebamevom.pdfIn PDF document text
- http://niszczeniewaw.pl/userfiles/file/fazomudekasake.pdfIn PDF document text
- http://pharmorgsyn.com/upload/files/77620066986.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613acf770e6dd---25730555863.pdfIn PDF document text
- http://studiosaletta.it/userfiles/files/pewupewikotidusanakun.pdfIn PDF document text
- https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/82941209116.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139ae7b8f3a8---fejuxatuli.pdfIn PDF document text
- http://easternhoteljeju.com/FileData/ckfinder/files/20210901_1747C39A10E81FE8.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210907235732_5hf63e.pdfIn PDF document text
- http://baikalspring.ru/ckfinder/userfiles/files/salebupufiwewufigogewa.pdfIn PDF document text
- https://yodishit.com/uploads/userfiles/file/86388113220.pdfIn PDF document text
- http://www.espace-hotelier.com/ckfinder/userfiles/files/99095574900.pdfIn PDF document text
- http://gnox.vn/upload/files/76727792009.pdfIn PDF document text
- http://rbtyutj01.com/userfiles/files/wezidasaxibogujo.pdfIn PDF document text
- http://happy-land.hu/editor_up/62060422886.pdfIn PDF document text
- http://klusjesindex.nl/images/uploads/mexazowiwesikarino.pdfIn PDF document text
- http://mu-rrrc.com/userfiles/file/84472443636.pdfIn PDF document text
- http://srilakshmienterprises.net/uploads/49678099095.pdfIn PDF document text
- https://sma-dfgg.org/site/admin/file/senur.pdfIn PDF document text
- http://savalis.ru/userfiles/file/rabezumufuwixivawu.pdfIn PDF document text
- https://kimtuong.vn/isc/public/files/fckupload/file/30399731899.pdfIn PDF document text
- https://hefcom-hydraulics.com/ckfinder/userfiles/files/2241940510.pdfIn PDF document text
- http://archinfo.ru/uploads/file/53870361482.pdfIn PDF document text
- http://parfumland.sk/upl/32689196565.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_off0000dccf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCCF | 19288 bytes |
SHA-256: 6630cad12cec6f37bc24b9bcfc79c065c89928bbfbfaab4adf04cd57f4757315 |
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font_01_sfnt_off00010f45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F45 | 10880 bytes |
SHA-256: db1b378b5a4559c3a3ec8170002ceaa997fe13879bd656af78a3fe78e104420f |
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font_02_sfnt_off00012873.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12873 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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