MALICIOUS
186
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. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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 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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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://kuzutuzo.ru/strik?utm_term=texas+instruments+ti-84+plus+ce+graphing+calculator+tutorial PDF link annotation
- https://xoregofejaba.weebly.com/uploads/1/3/4/6/134651656/5107609.pdfIn PDF document text
- http://pawusewi.sportsontheweb.net/88775569237.pdfIn PDF document text
- https://roguraluvi.weebly.com/uploads/1/3/0/7/130776180/ae7250c916754.pdfIn PDF document text
- http://terubib.22web.org/brusters_online_application_form.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371800/normal_60592bae8cf87.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463825/normal_60184b5f9b90c.pdfIn PDF document text
- http://netezasodi.22web.org/39242898915.pdfIn PDF document text
- http://sanadewa.iblogger.org/45875020081.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384459/normal_605428f362980.pdfIn PDF document text
- https://jejonogukoji.weebly.com/uploads/1/3/4/8/134864124/97ae37c5fe0b2d3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://damikofem.rf.gd/data_structures_and_algorithms_cheat_sheet.pdfIn PDF document text
- https://44eeb0f0-4dc9-4d8b-b3fd-cc7ace98e90e.filesusr.com/ugd/a083a1_da29e0d01af34957a7213b7eaf06060d.pdf?index=trueIn PDF document text
- http://zexenodu.rf.gd/nazaduvigisi.pdfIn PDF document text
- http://bajobakokela.epizy.com/update_the_normal_style_to_match_the_selection.pdfIn PDF document text
- https://98cdd5c5-c43e-49eb-9373-39517e896cbb.filesusr.com/ugd/90661f_b71bc0c94f08453cb3ae05dca0dc777f.pdf?index=trueIn PDF document text
- http://nobajoxeruxepin.rf.gd/kijimax.pdfIn PDF document text
- http://rudozorutes.epizy.com/basics_of_electronics_for_interview.pdfIn PDF document text
- http://wenibeliso.atwebpages.com/access_point_toronto_application.pdfIn PDF document text
- https://cd753cf5-d90a-4073-9c55-931a76e81761.filesusr.com/ugd/8826df_ccdb1174f23b4b08a3ddd29b45498a52.pdf?index=trueIn PDF document text
- https://f8d82b49-d438-4da2-b906-f876cb6fe635.filesusr.com/ugd/12dc78_d921306d9ca043968692469d0125aa59.pdf?index=trueIn PDF document text
- http://bavutumamafeni.epizy.com/officejet_pro_8620_ink_system_failure.pdfIn PDF document text
- http://nuruden.rf.gd/romeo_and_julieta_wide_churchill_cuban.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001088d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1088D | 5560 bytes |
SHA-256: 620562b049010b0518ef446a4dd3aa6c902f5785de03eeb3ce512ad320520176 |
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font_01_sfnt_off00011b4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B4D | 12196 bytes |
SHA-256: 86ad686b746073f6cacc70c4471c7607e2d93146842a6d29e08b263934a3a254 |
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font_02_sfnt_off0001445a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1445A | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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