Malicious PDF — malware analysis report

Static analysis result for SHA-256 e08818c51262f4d5…

MALICIOUS

PDF

72.6 KB Created: 2021-03-06 19:27:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 327bf4d6e6c6ae50b4c3da9fc6d60a69 SHA-1: 95293a660ce3c4d638713fa8004c223299bb1db8 SHA-256: e08818c51262f4d5a4236ca9e6b127403108db3300c7636afb8dade907063498
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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/award?keyword=free+vedic+astrology+health+report PDF link annotation
    • http://siviveko.getenjoyment.net/how_to_find_perimeter_of_different_shapes.pdfIn PDF document text
    • http://gexomafe.mypressonline.com/what_is_narrative_essay_slideshare.pdfIn PDF document text
    • http://argo-tourism.com/harrison_20._bask_trkeoqrqx.pdfIn PDF document text
    • http://afracheat4.xyz/how_to_write_lab_report_discussion9iwm2.pdfIn PDF document text
    • https://wakejowedab.weebly.com/uploads/1/3/4/5/134599651/f384be17b42fa1.pdfIn PDF document text
    • http://retamos.mygamesonline.org/14551794363.pdfIn PDF document text
    • http://pusewuvi.medianewsonline.com/15515449962.pdfIn PDF document text
    • http://zeboxagekej.sportsontheweb.net/how_to_peak_and_tune_a_cobra_29_cb_radio.pdfIn PDF document text
    • http://rotawafuwuno.scienceontheweb.net/law_of_contract_bare_act_in_hindi.pdfIn PDF document text
    • http://sadovik.me/27544202628ly6qp.pdfIn PDF document text
    • http://zowixupuwufage.iblogger.org/developing_non-verbal_reasoning_skills.pdfIn PDF document text
    • https://sagiwotagemo.weebly.com/uploads/1/3/1/8/131871993/ribidi_vitizogosesiw_davudivubul_kavobovopogod.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wojibikifi.myartsonline.com/is_conair_a_good_flat_iron.pdfIn PDF document text
    • http://kaxuwenewutexu.myartsonline.com/77173988527.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/75cb035b-4258-4f69-94fc-771efb393b67/razologafege.pdfIn PDF document text
    • http://wufikemofumop.atwebpages.com/95_ranger_bed_size.pdfIn PDF document text
    • http://nixutis.rf.gd/wisutewil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb40aa54-aed0-49e2-b7f9-22c7a7a3ec45/lelomujusuxi.pdfIn PDF document text
    • http://zedakukabizo.epizy.com/hamden_police_department_accident_reports.pdfIn PDF document text
    • http://tudixuzaw.onlinewebshop.net/allen_carr_easy_way_to_quit_smoking_audio.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5a65ca4c-19e1-43fe-a0ce-69e10078e2d4/sentinels_of_the_multiverse_steam_unlock_variants.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/776db1ea-c486-41ef-b68d-7c0ba4dd03f4/ralatovaj.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.

FilenameKindSourceSize
font_00_sfnt_off0000def7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEF7 5452 bytes
SHA-256: 0b61de7ab875b00fd61109b89de05b83a3b0c931623e0f38215e945baca700cb
font_01_sfnt_off0000f18a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF18A 10412 bytes
SHA-256: aae6282973bad07493b3daf5995c090371afd59449bf244b93ba44711a6f4eac

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