Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d01477b64362cd6…

MALICIOUS

PDF

70.0 KB Created: 2021-01-14 22:12:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 70053edf8d621ff4f8e5ef75d929adb0 SHA-1: 6e7b9c8ad56e61820964d3479ad965fc6a33d89a SHA-256: 2d01477b64362cd6f2df6a3793098551caa5da8c4b5d4adc0b91178637f03211
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF 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.
  • 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://traffking.ru/aws?utm_term=weather+report+in+chennai In PDF document text
    • https://cdn.sqhk.co/wiluxuko/fhfgiig/vice_news_documentary_youtube.pdfIn PDF document text
    • https://vonorakukipi.weebly.com/uploads/1/3/4/7/134721252/ef900b608e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484609/normal_5fade70eda43f.pdfIn PDF document text
    • https://zuzedunili.weebly.com/uploads/1/3/4/4/134460484/bawaxanef_jagagorabufede_xepekotelu.pdfIn PDF document text
    • https://luletifolavok.weebly.com/uploads/1/3/4/3/134369244/kutadeposiv.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410965/normal_5ff1f5cc4262e.pdfIn PDF document text
    • https://monotuwisax.weebly.com/uploads/1/3/4/5/134589760/fb3ac21b606.pdfIn PDF document text
    • https://site-1173205.mozfiles.com/files/1173205/clinical_chemistry_laboratory.pdfIn PDF document text
    • https://gapigapale.weebly.com/uploads/1/3/4/8/134896702/1581681.pdfIn PDF document text
    • https://site-1180410.mozfiles.com/files/1180410/carrom_friends_play_carrom_board_disc_pool_game.pdfIn PDF document text
    • https://wilowukodol.weebly.com/uploads/1/3/4/8/134881933/pivav_lejugikedet_xujavanoro.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/vososasoxumete/thank_you_message_for_answering_survey.pdfIn PDF document text
    • https://s3.amazonaws.com/lomogas/47913007738.pdfIn PDF document text
    • https://s3.amazonaws.com/jivala/how_to_leave_a_party_in_hypixel_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/tisegovofu/geometry_dash_vault_of_secrets_all_answers.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_off0000d693.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD693 4824 bytes
SHA-256: 453c932d3492d03476c9558d7710eec10cba23b239e8058cd6e05ac68607fe80
font_01_sfnt_off0000e704.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE704 11008 bytes
SHA-256: 8de1f1435343e892f98ed665b22071f9ef4ac78bee9ff1b0bbee6841a9ba1e3b

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