MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, a common tactic for phishing or distributing malware. One of the extracted URLs, 'https://pelibifir.ru/strik?utm_term=ti-84+plus+ce+apps+bundle', is flagged as potentially malicious. The heuristic 'PDF_SEO_LINK_FARM' indicates the document is part of a link farm designed to direct users to external content, potentially malicious. No scripts were extracted from this sample.
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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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://pelibifir.ru/strik?utm_term=ti-84+plus+ce+apps+bundle PDF link annotation
- http://tulomodev.getenjoyment.net/anet_a8_marlin_configuration.h.pdfIn PDF document text
- http://zipogagu.iblogger.org/characteristics_of_good_quality_information.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453908/normal_60274bbfcf8ef.pdfIn PDF document text
- https://litukepulaj.weebly.com/uploads/1/3/4/8/134863372/ad0146518c3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375531/normal_6055a013b44b7.pdfIn PDF document text
- https://gepidoduxaw.weebly.com/uploads/1/3/5/3/135324144/7354949.pdfIn PDF document text
- http://tasiperop.medianewsonline.com/nijinolimeta.pdfIn PDF document text
- https://gakuwalexutibok.weebly.com/uploads/1/3/4/3/134332976/4eaa6aaa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414164/normal_605fa8286e01c.pdfIn PDF document text
- https://motutipe.weebly.com/uploads/1/3/4/6/134674000/2f1b9fc162e4bd7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476285/normal_5fc85e27d3ec7.pdfIn PDF document text
- https://fojumotapikapig.weebly.com/uploads/1/3/4/3/134372119/9485677.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497344/normal_60265099c125f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/b1d4470d-e49f-46d3-9b5d-36537a567ca6/bookmark_computer_science_definition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9814031c-6832-4195-80fc-d71eb7c6e25e/nlt_study_bible_large_print_softcover.pdfIn PDF document text
- https://s3.amazonaws.com/punurum/second_language_teaching_methods.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cf21eae1-dab4-4b15-9a5f-8a709b63e5b0/98177588991.pdfIn PDF document text
- https://s3.amazonaws.com/kabisebax/how_to_clean_a_wagner_power_sprayer.pdfIn PDF document text
- http://masomivi.rf.gd/52114513475.pdfIn PDF document text
- https://s3.amazonaws.com/faduxodiwo/what_to_do_if_voltas_ac_remote_is_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8af89a0a-994e-4081-ac1c-968a2dac7bf7/how_to_keep_your_volkswagen_alive_ebay.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6214b89-fe7e-4f85-9bd0-762438dea4b5/best_big_data_analytics_institute_in_india.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_off0000d71b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD71B | 5376 bytes |
SHA-256: 6294efa61b8e3439f4aeea7b7ed4cb5b3e2095f14ea2629278e9d53596b32bef |
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font_01_sfnt_off0000e97e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE97E | 11020 bytes |
SHA-256: 01905c46b394f7866d2a8304da419aa5ac3661883ebe98702d96e8cccc4732b4 |
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