MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of embedded links, many of which point to potentially malicious redirectors or disposable hosting. The document body, though partially corrupted, suggests a lure related to "big data analytics course fees in chennai" to entice users to click on these links. The presence of a malicious redirector link and the ML classifier flagging it as malicious strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://yafferge.ru/strik?utm_term=big+data+analytics+course+fees+in+chennai In PDF document text
- https://wotapidedodibi.weebly.com/uploads/1/3/4/4/134475573/nipewezedo_dopejuna_nonikobesasam.pdfIn PDF document text
- https://cdn.sqhk.co/remimidotomi/sEhg8ib/23074756327.pdfIn PDF document text
- https://cdn.sqhk.co/fimirexuf/i8tijge/75516416083.pdfIn PDF document text
- https://rukuzidin.weebly.com/uploads/1/3/4/5/134517246/fabojiwutideso.pdfIn PDF document text
- https://cdn.sqhk.co/tokebamojos/xibhjiI/las_vegas_official_visitors_guide_2019.pdfIn PDF document text
- http://shop-onlinediscount.xyz/31127681648ahgew.pdfIn PDF document text
- https://cdn.sqhk.co/gevajoke/shjggcX/jelibimezoxefupiraveki.pdfIn PDF document text
- https://damanula.weebly.com/uploads/1/3/1/8/131856109/5bffa241c.pdfIn PDF document text
- https://vezinamitin.weebly.com/uploads/1/3/5/9/135984824/9220712.pdfIn PDF document text
- http://expressday.online/jokozasurefaxafidz3mw9.pdfIn PDF document text
- https://cdn.sqhk.co/zumiredosuwi/CKNDXjd/33136491663.pdfIn PDF document text
- http://jadebey-x.com/926951831505mxpy.pdfIn PDF document text
- https://cdn.sqhk.co/dojatejij/bPijghO/kizifi.pdfIn PDF document text
- https://cdn.sqhk.co/kixobaza/YggheZv/cute_short_acrylic_nails_for_10_year_olds.pdfIn PDF document text
- https://cdn.sqhk.co/litopozuf/Hh1hgji/49393642723.pdfIn PDF document text
- https://cdn.sqhk.co/fujotojaxob/cgfGl00/deathworm_ark_ragnarok_spawn.pdfIn PDF document text
- http://ru-order-687646765445.art/can_i_run_itunes_on_android_phone8euk0.pdfIn PDF document text
- http://help-feedback-amzn3.xyz/greatest_hits_of_the_90s_youtubelfz30.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/jedaxopopuko/fejuzudubeveneza.pdfIn PDF document text
- https://s3.amazonaws.com/nemafu/diter.pdfIn PDF document text
- https://s3.amazonaws.com/fezenur/jizomu.pdfIn PDF document text
- https://s3.amazonaws.com/voxipanovigepiv/50812373288.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_off000107cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CD | 5436 bytes |
SHA-256: 8d562baed30e72683ccda6b3b9e96fd5832cdc21074e82ad76284f45a0d0368a |
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font_01_sfnt_off00011a50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A50 | 10700 bytes |
SHA-256: 41157fd4888a3dd6604e56a005d79dcff70968869010297003de2871eba24258 |
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