MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous external links, many of which point to SEO redirectors and potentially malicious domains, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' heuristics. The embedded URL 'https://botokaw.ru/strik?utm_term=what+are+the+basic+principles+of+critical+thinking+and+how+can+they+be+used+in+everyday+life' is likely part of a phishing or malware distribution scheme. ClamAV also detected this file as 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://botokaw.ru/strik?utm_term=what+are+the+basic+principles+of+critical+thinking+and+how+can+they+be+used+in+everyday+life PDF link annotation
- https://s3.amazonaws.com/wanasuvedigo/16547413428.pdfIn PDF document text
- http://msertis.xyz/how_hard_is_the_florida_real_estate_broker_exambfj4r.pdfIn PDF document text
- https://s3.amazonaws.com/vefagotoje/que_significa_circuncisin_en_la_biblia_reina_valera.pdfIn PDF document text
- http://tersq.fun/dagabotapaxufireroleriq9s.pdfIn PDF document text
- http://setofexperience.site/87392948475hgrv0.pdfIn PDF document text
- https://s3.amazonaws.com/wifiduxezo/android_action_bar_overflow_icon.pdfIn PDF document text
- http://testrun.ru/geraldton_police_reportsavet.pdfIn PDF document text
- http://thecaffeinatedstudent.com/who_are_the_three_main_characters_in_war_and_peacecir20.pdfIn PDF document text
- http://segway-wheelchair.ru/utility_software2crpt.pdfIn PDF document text
- https://s3.amazonaws.com/sowewazulejewi/how_to_construct_a_velocity_vs_time_graph.pdfIn PDF document text
- http://volosaty100.xyz/crazy_train_flute_sheet_musicxyfxr.pdfIn PDF document text
- https://s3.amazonaws.com/fajixe/26763999333.pdfIn PDF document text
- https://s3.amazonaws.com/bokofapig/fixawozidatiroruxiw.pdfIn PDF document text
- http://pifedalune.medianewsonline.com/pabugilag.pdfIn PDF document text
- https://s3.amazonaws.com/gazitif/onn_bluetooth_earpiece_manual.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://84bc2af4-305a-40b7-847c-8c52cb6b08d2.filesusr.com/ugd/a2e525_1f8a2829fbe54a83936387fa08001352.pdf?index=trueIn PDF document text
- https://f79c4d19-9b07-4ca9-ba82-4f938217db57.filesusr.com/ugd/c0d3e8_e95948727c614b9d9448d40aca303aa5.pdf?index=trueIn PDF document text
- http://zijiwaras.onlinewebshop.net/university_assignment_format.pdfIn PDF document text
- http://vubelifijam.atwebpages.com/craftsman_18_hp_ohv_intek_oil_change.pdfIn PDF document text
- https://9e2901ea-5d25-41a5-867c-54d0774c6e48.filesusr.com/ugd/4d0f37_de7af107db29483bb4d6dbf90cd08adc.pdf?index=trueIn PDF document text
- https://064d663d-f6b2-44cf-a6ad-083da5f315e5.filesusr.com/ugd/77eba6_f7bdedfecf904d7fa1779ed0ced09c96.pdf?index=trueIn PDF document text
- https://f06ae689-34e6-4fd9-b749-a5985747e370.filesusr.com/ugd/4117a9_162d08f8594b496b86c15273eb9139b4.pdf?index=trueIn 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_off00012bc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BC0 | 5888 bytes |
SHA-256: 7fa12018177887f24c2b0874e63ec7ced057bba7bdbc72d3e9c5976c05f11927 |
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font_01_sfnt_off00013fe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FE7 | 10612 bytes |
SHA-256: 87a84682276571aa1455432f1be2faf978f2bbdfde2f0b88736c0391ca4374a1 |
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