Malicious PDF — malware analysis report

Static analysis result for SHA-256 376ff0341c6552e7…

MALICIOUS

PDF

65.8 KB Created: 2021-03-02 13:37:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2ccee75f52bbb68f68d4b329c40917d4 SHA-1: 35e240ecdac0d56e0babbc23556d7da26dcdb39c SHA-256: 376ff0341c6552e70a1a8472adcca5655e2238fa56d9b28860b0526340b0a935
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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.
  • 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://resalured.ru/wix?keyword=density+worksheet+answers+key PDF link annotation
    • http://loveantravel.xyz/ketorolaco_formas_de_presentacion1xmub.pdfIn PDF document text
    • http://karnaval.host/gran_turismo_2000ugcri.pdfIn PDF document text
    • http://piter.store/juwebigotobovijibafb9w8t.pdfIn PDF document text
    • http://mrshadow.net/what_are_the_five_climate_regions_of_africa1akta.pdfIn PDF document text
    • http://getchambre.xyz/who_moved_my_cheese_book_ready0lmj.pdfIn PDF document text
    • https://cdn.sqhk.co/wexunaveb/HRj5hiz/vulinakezusen.pdfIn PDF document text
    • https://tifixexeruwa.weebly.com/uploads/1/3/2/6/132682204/ba35105ec9.pdfIn PDF document text
    • http://miiliioner.xyz/tetosufebububgv.pdfIn PDF document text
    • https://timowerudep.weebly.com/uploads/1/3/0/7/130738780/88683b337.pdfIn PDF document text
    • https://cdn.sqhk.co/sukurorezib/XQgdgg4/cartoon_mobile_screen_wallpaper.pdfIn PDF document text
    • https://kazanuwe.weebly.com/uploads/1/3/2/6/132683097/zutana.pdfIn PDF document text
    • https://vafevovelawa.weebly.com/uploads/1/3/1/4/131407112/nosegipov-toragesosu-ginukoboja-komari.pdfIn PDF document text
    • https://cdn.sqhk.co/juxajomuz/jniaWBA/adderall_withdrawal_forum.pdfIn PDF document text
    • http://marketes.pro/blue_suede_air_force_1_high_topzku4l.pdfIn PDF document text
    • https://molawakipo.weebly.com/uploads/1/3/1/3/131379716/gemupusotixa.pdfIn PDF document text
    • https://famonusowofem.weebly.com/uploads/1/3/4/3/134349488/6513623.pdfIn PDF document text
    • https://cdn.sqhk.co/wanolugago/fhhx32m/57987456377.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/sojebelevenex/el_shaddai_adonai_nguwe.pdfIn PDF document text
    • https://s3.amazonaws.com/nevovumowa/keystroke_logger_for_android_phone.pdfIn PDF document text
    • https://s3.amazonaws.com/pafiganovavi/18932384549.pdfIn PDF document text
    • https://s3.amazonaws.com/bulalowisu/2019_bollywood_movies_songs_bestwap.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_off0000c658.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC658 4996 bytes
SHA-256: 654ac961f34dc8c654ed5caba6d16a968e2fe0a139bd5a7918a4eb138f1dd957
font_01_sfnt_off0000d76e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD76E 10052 bytes
SHA-256: 319dff121515ac754b7868b053968ef0d94472a73cf98954e54cc30e5dd8a9df

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