MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm and uses invoice/payment lure language, suggesting an attempt to trick the user into clicking a link. The presence of embedded URLs and the overall structure point towards a phishing or social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://zajinet.ru/123?utm_term=bharathiar+university+cpp+degree+certificate+application+form PDF link annotation
- http://iranianvc.com/foxtel_now_tv_guide_game_of_throneslyd9g.pdfIn PDF document text
- http://webmastervlad.ru/rijajadaledekuwnmbdp.pdfIn PDF document text
- http://neojust.ru/64539426432t1yzf.pdfIn PDF document text
- http://biwejobezimije.22web.org/liberon_black_bison_wax_safety_data_sheet.pdfIn PDF document text
- http://creditscorehelp.info/free_avi_to_mp4_converter1lakf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wozoxub/zaxonagasexugef.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2467dcc-c242-43b9-8758-dc2a57e45d91/59482826715.pdfIn PDF document text
- http://febojuv.epizy.com/pizokifozego.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb43af1c-cb31-4c77-8f2d-f34514e982ba/doloxerot.pdfIn PDF document text
- http://juxetososa.epizy.com/shop_vac_vs_vacuum_pump.pdfIn PDF document text
- http://lepetape.epizy.com/best_stock_android_phones_under_10k.pdfIn PDF document text
- http://ludumidajite.rf.gd/formation_aerobatic_flying.pdfIn PDF document text
- http://temitiz.epizy.com/59075188589.pdfIn PDF document text
- http://xofogijatoli.epizy.com/wuwolomanefekafizavo.pdfIn PDF document text
- http://jopumogezev.epizy.com/88791282195.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fff9bcf5-6195-44d0-8036-c9e4eac8dc77/dinox.pdfIn PDF document text
- http://latujetob.epizy.com/41057994315.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0b025c57-c1f6-4b9a-8aa5-00d2a5f3325d/vobapuduxewofome.pdfIn PDF document text
- https://s3.amazonaws.com/wifiduxezo/kumoxazefawekatafaronod.pdfIn PDF document text
- http://moletilezozosi.epizy.com/rancilio_silvia_espresso_machine.pdfIn PDF document text
- http://luselobek.epizy.com/radiative_forcing_ipcc_report.pdfIn PDF document text
- https://s3.amazonaws.com/gazitif/88346800224.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/65590cff-64da-4233-9a11-c37a2fa4e4ef/75022915814.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eae9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE9 | 5780 bytes |
SHA-256: 08a5a2675584de93cd0461b663facf186649d77043403ffeae5e0ccc04424788 |
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font_01_sfnt_off0000fe87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE87 | 10636 bytes |
SHA-256: e622be22f6f46e860d9c91c115709525b04b5c951453a6083f912489a5c79acb |
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