MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it's a PDF acting as a link farm, with many external URIs pointing to disposable hosting, a common tactic for phishing or distributing further malware. The presence of embedded URLs and the PDF's structure suggest it's intended to lure users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://archism.ru/uplcv?utm_term=cerrar+aplicaciones+en+segundo+plano+android PDF link annotation
- https://treasurehunterdetectors.com/ckfinder/userfiles/files/jexefigajutozuxazawuviwe.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/48020997795.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/34934720313.pdfIn PDF document text
- http://hzxgdz.com/images/upload/File/wuserubobopojugagirasatut.pdfIn PDF document text
- http://www.oteliapelsin.ru/ckfinder/userfiles/files/14707298349.pdfIn PDF document text
- http://arenda-v-novosibirske.ru/ckfinder/userfiles/files/pefatuwefobej.pdfIn PDF document text
- https://bulendengin.com/upload/ckfinder/files/robapigagafamo.pdfIn PDF document text
- https://s-h.cc/uploads/files/202109110124337532.pdfIn PDF document text
- http://transchem-tech.com/Uploadfiles/files/fepazefim.pdfIn PDF document text
- https://ashleymongolia.mn/uploads/files/fevexozudodujatepasen.pdfIn PDF document text
- http://suurelepa.ee/data/file/legegawuvodejiridal.pdfIn PDF document text
- http://www.bandungmesin.com/file/54420242464.pdfIn PDF document text
- https://lee-trading.tw/archive/upload/files/32693297312.pdfIn PDF document text
- http://saimiri.name/upload/file/vedadefetukudurok.pdfIn PDF document text
- https://villadorottya.hu/uploads/frontend/files/9100703925.pdfIn PDF document text
- http://dailyliving.nl/ckfinder/userfiles/files/82775740676.pdfIn PDF document text
- http://hsi-international.com/ckfinder/userfiles/files/narimenoru.pdfIn PDF document text
- https://www.ewdel.cz/ckfinder/userfiles/files/gevewatamogelerafadem.pdfIn PDF document text
- https://weeb.nu/userfiles/file/besakevoxizututusebewakex.pdfIn PDF document text
- https://billionbosses.com/ckfinder/userfiles/files/fowepobo.pdfIn PDF document text
- http://zussobrance.sk/grafika/dokumenty/55961795468.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/35861322156.pdfIn PDF document text
- https://xn--90aoja6ahg5ds.xn--p1ai/uploads/files/lapuxegofekamaropi.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614537c393b86---tazisu.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_off0000efa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA4 | 18768 bytes |
SHA-256: 4f3772d2d33fa697c77b5650061709600e8950f7cbe43b5c17b03b80fbfb98d6 |
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font_01_sfnt_off00011fbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FBD | 10724 bytes |
SHA-256: a0890efcc43347aa8051fda73a363f494193a414705c22f4b73e8f4b4dfcf652 |
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font_02_sfnt_off0001383e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1383E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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