MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous external URIs, including a link farm on disposable hosting, suggests a phishing or malware distribution scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically points to a tactic of using numerous small, distinct links to obscure the true malicious destination, which is further supported by the 'PDF_URI' finding pointing to a URL with a 'ghost recon apk' UTM term, a common lure for game-related malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://infrive.ru/uplcv?utm_term=ghost+recon+apk PDF link annotation
- http://selidbe-beograd.info/files/74591155872.pdfIn PDF document text
- http://investin-khj.ir/ckfinder/userfiles/files/bonigavijezi.pdfIn PDF document text
- http://dailygameresult.com/editor/UserFiles2/files/samoxawedosa.pdfIn PDF document text
- http://kirsanov-maslo.ru/uploads/9880605469.pdfIn PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/f9494aa6ac86dd618ca110365868a80c/sadevebotamu.pdfIn PDF document text
- https://phukienbep.net/media/files/giwigavawefiwixatisufi.pdfIn PDF document text
- https://advantage.ee/media/contents/file/16614626487.pdfIn PDF document text
- https://tylbm.com/Upload/ckeditor/files/lipuwefekafijusama.pdfIn PDF document text
- http://gaziogluenerji.com/images_upload/files/mexamofawi.pdfIn PDF document text
- http://dgjinhak.kr/DATA/upload/files/202109171157494127.pdfIn PDF document text
- https://refakatci.net/userfiles/file/wememaxulajutewupave.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/40187602720.pdfIn PDF document text
- http://caythuocdangian.net/images/files/94450544343.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/74474734288.pdfIn PDF document text
- http://praguetransfer.com/files/file/17762053188.pdfIn PDF document text
- http://nocleginaplus.pl/uploads/userfiles/files/juxizememozanokononot.pdfIn PDF document text
- http://ninda.vn/userfiles/files/suxojed.pdfIn PDF document text
- https://posetili.ru/userfiles/file/10234053822.pdfIn PDF document text
- https://pre-www.bridge-academy.com/uploaded/ckeditor/files/21400970493.pdfIn PDF document text
- https://dotcomtravelegypt.com/userfiles/files/muzazojudefodezefugopin.pdfIn PDF document text
- https://legyenegyjonapod.hu/userfiles/files/nupanede.pdfIn PDF document text
- http://www.europesolidaire.eu/userfiles/files/nebimekewas.pdfIn PDF document text
- https://intersat.lv/files/file/24872836793.pdfIn PDF document text
- http://grupopiscis.com/upload/files/logaretoparijewemakik.pdfIn PDF document text
- http://baltic-rt.ru/ckfinder/userfiles/files/67818380793.pdfIn PDF document text
- http://centralcogtc.com/uploads/file/gokamituxunuvudovusis.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_off0000cf4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF4E | 10464 bytes |
SHA-256: aa597f6c3cdb6030d47606fa9ed26348e0c669b50cbae06d56dbf601c01b071f |
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font_01_sfnt_off0000e717.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE717 | 16868 bytes |
SHA-256: 03eec706ea5144461df289267088398bf9ece529041c819441e66b7828122336 |
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font_02_sfnt_off0001128c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1128C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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