MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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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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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://xajibur.ru/123?utm_term=multiple+meaning+words+worksheets+9th+grade PDF link annotation
- http://javaxirivibewi.mygamesonline.org/debitu.pdfIn PDF document text
- https://cdn.sqhk.co/jowowibow/ugdhjhc/zikuratakesosu.pdfIn PDF document text
- http://jewogipuwivi.medianewsonline.com/whale_done_stampin_up_cards.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447280/normal_5fd846ce8a8f4.pdfIn PDF document text
- http://vitodibiwanezej.mypressonline.com/59056469360.pdfIn PDF document text
- http://bivitajuteje.mypressonline.com/scannen_hp_deskjet_2547.pdfIn PDF document text
- http://xariketixagat.mypressonline.com/bubiduzigumopi.pdfIn PDF document text
- http://fepaporipevari.mypressonline.com/candida_en_hombres.pdfIn PDF document text
- https://cdn.sqhk.co/lizasizova/ibiehgu/chicken_invaders_5_halloween_edition_full_version_apk.pdfIn PDF document text
- https://cdn.sqhk.co/taduzotul/DKFhff3/samurai_jack_hd_1080p_wallpaper.pdfIn PDF document text
- http://xifadezuzurap.medianewsonline.com/40937619621.pdfIn PDF document text
- http://farozemirig.scienceontheweb.net/98711689050.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494440/normal_60097a9ae7065.pdfIn PDF document text
- https://cdn.sqhk.co/wakewafo/idgdifv/numegimapavine.pdfIn PDF document text
- https://cdn.sqhk.co/vixawutozama/bgggcjc/84345169394.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://efa91360-7c21-416c-9d60-3189e0beb381.filesusr.com/ugd/42ffc7_da41c04e3011478ba91aa06a173d2b1f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vudivuzakal/25314454019.pdfIn PDF document text
- https://348ddb29-83e1-4812-94a1-743b72ef9b42.filesusr.com/ugd/23b571_d1b11ee9d53f4a1a9787dc8b04dd0ede.pdf?index=trueIn PDF document text
- https://6739ca04-605d-4ff4-b4c9-4e5bd75a7819.filesusr.com/ugd/031dda_e1d1269b07b14622a8c5063d46beaa0f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wexukufedepim/communication_process_worksheet.pdfIn PDF document text
- http://mifedisiso.atwebpages.com/32034824122.pdfIn PDF document text
- https://a8fdb364-3865-4521-a36b-e12f4de7752f.filesusr.com/ugd/e20637_59b9ab1caddd40e299b2a679947edf36.pdf?index=trueIn PDF document text
- https://fb79ad55-22b5-4823-9538-35c71bbbd514.filesusr.com/ugd/ea423f_93d9ee8629764855a309cf73c38a3e87.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jusuberu/11922720023.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_off0000e323.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE323 | 5692 bytes |
SHA-256: e4f01eb7203e5ea1a0beccbc6c634d4ca8a503fc8603f2432846f507479aa35e |
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font_01_sfnt_off0000f672.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF672 | 10712 bytes |
SHA-256: f0ba87b44acd6077ecb0c1615f5beea4ca4e279821870934e83e7a883dc75dfb |
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