MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9996
Heuristics 5
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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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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://zajinet.ru/strik?utm_term=review+of+medical+microbiology+and+immunology+11th+edition+pdf+free+download PDF link annotation
- http://mukinokelek.mygamesonline.org/free_to_word_doc_converter_fr_mac.pdfIn PDF document text
- http://wowitaly.pro/how_to_write_a_scholarship_essay_about_yourselfcvrcx.pdfIn PDF document text
- http://gatofupimekow.mywebcommunity.org/dometic_brisk_air_2_heat_strip_installation.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450870/normal_6041bca88d220.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378171/normal_5fdaed619eed9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390383/normal_5fd864c01e9c1.pdfIn PDF document text
- http://evromotors.net/very_funny_jokes_in_bengali2muq7.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/f44186cf-ac32-49df-8339-9ba5174eddbe/furby_connect_app_ios.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff37980d-5bde-4957-94c2-42d632cf39a4/faxotira.pdfIn PDF document text
- https://s3.amazonaws.com/pewebopufupe/8833416607.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48cdb348-2e47-4b49-aed9-af8af58849fa/78664066096.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/745b64f8-aee3-4e1c-b206-ecca95ddae01/lunezeveroxi.pdfIn PDF document text
- https://s3.amazonaws.com/pidufozu/bolewotisivigapasozo.pdfIn PDF document text
- http://jofijegisa.atwebpages.com/pdf_file_downloader_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/000adee9-4845-42b3-b67e-2584d49a13b3/pexotug.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c28d3ee6-a266-4417-89b1-eb6c5f2f175a/woneder.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/026f9729-4ea8-4e32-8e38-3add57fb9a97/how_to_program_genie_intellicode_chain_glide.pdfIn PDF document text
- http://laxolagodofomug.onlinewebshop.net/gatuvopekipisaxa.pdfIn PDF document text
- https://s3.amazonaws.com/vuzufexarevima/canon_eos_t5_manual.pdfIn PDF document text
- https://s3.amazonaws.com/pusolefosex/how_to_play_eye_of_the_beholder_game.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2650446a-7e59-4929-86af-957b76588c96/rorokupu.pdfIn PDF document text
- http://madepadejatutof.onlinewebshop.net/middle_school_math_brain_teasers.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_off000139ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139ED | 5844 bytes |
SHA-256: 80788ef2102b2f9aa2083cac3bad10adbb662cc4cd8d31c76c2009c8e3b365c7 |
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font_01_sfnt_off00014dcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DCB | 11344 bytes |
SHA-256: 25ee1cc278eb025bfe4a41b2fc46e5879c4d8a703505fede4407c6a90fbbdce4 |
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