Malicious PDF — malware analysis report

Static analysis result for SHA-256 d02ed70285290405…

MALICIOUS

PDF

72.8 KB Created: 2021-02-24 04:55:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 169f5aac42cbff71853cc6f746e6cd18 SHA-1: 1127f903fa31e05fa9b06887b603a80d749a4073 SHA-256: d02ed70285290405d2cee223d4e450a02919aa5b5dc11e3df7284c0df9efb7d9
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://seumenha.ru/wix?keyword=scarlet+letter+chapter+17+study+guide+answers PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4445104/normal_5fdfdfceba629.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446781/normal_5ffec26785bf1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416490/normal_602932df090d3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419851/normal_6030d63fe99d2.pdfIn PDF document text
    • http://copyrightviolationcenters.com/82414574411tnw7c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408703/normal_600f5c0955ef3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369142/normal_5fd6c2acc1d3f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446174/normal_601bff247e0bd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379241/normal_5fc891b35e2d6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388613/normal_5fe50c0a3de66.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://piperopire.rf.gd/building_army_games_for_android.pdfIn PDF document text
    • https://s3.amazonaws.com/bufexa/foxinitevogowakopojunek.pdfIn PDF document text
    • http://mekofirudusem.rf.gd/wallpapers_4k_ultra_hd_free.pdfIn PDF document text
    • http://puwagof.rf.gd/giwidetaze.pdfIn PDF document text
    • https://s3.amazonaws.com/davawina/evolution_of_music_pentatonix_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/wixamupelinere/88014739440.pdfIn PDF document text
    • https://s3.amazonaws.com/pomaxa/4337291108.pdfIn PDF document text
    • https://s3.amazonaws.com/fulazelof/boombah_baseball_uniform_builder.pdfIn PDF document text
    • https://s3.amazonaws.com/lebejos/avery_5309_tent_card_template_word.pdfIn PDF document text
    • https://s3.amazonaws.com/marimejerebo/coffee_table_book_templates_free.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d306.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD306 5536 bytes
SHA-256: 0571862985e09f37123edc29e5f6813093ab947e7b483d2c4caa17a1347c2a69
font_01_sfnt_off0000e5ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5EC 9852 bytes
SHA-256: b907456fb375d801185215784ba3b414fae569b929aace4c5bc23eaef6d840dd
font_02_sfnt_off00010773.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10773 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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