Malicious PDF — malware analysis report

Static analysis result for SHA-256 582ddc650223b009…

MALICIOUS

PDF

72.2 KB Created: 2021-02-24 04:08:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 1204948c31f7749f7641bfb4e8f44067 SHA-1: 75cf799b815c483431aa473a316ac235f18c09c4 SHA-256: 582ddc650223b0098276ef11ea9f00a8c8be20d3eb3137aa9d17d9753ca0f6f5
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://leonvi.ru/wix?keyword=hollymatic+super+54+manual PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4379473/normal_5fcf589f65aa4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454982/normal_602efc8b8ce0c.pdfIn PDF document text
    • http://detonic-italy.website/xurudotafakesavagudoragh9pm6.pdfIn PDF document text
    • http://slimitalia.space/how_many_female_greek_gods_are_therei4u9t.pdfIn PDF document text
    • http://xrootunited.com/mijajunofekpdz2y.pdfIn PDF document text
    • http://naturfresh.space/materiales_sisat_2019asryq.pdfIn PDF document text
    • http://intekzafast.online/how_to_set_the_clock_on_pioneer_mosfet_50wx47zrl7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417325/normal_5fcd18a9165cf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4461495/normal_5ff625a0027b6.pdfIn PDF document text
    • http://prizinsta24.site/cordless_phone_with_answering_machine_reviewsemzbt.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467019/normal_6004a19f1e98e.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
    • https://s3.amazonaws.com/tabobujimo/85300622313.pdfIn PDF document text
    • https://s3.amazonaws.com/dexodekelaseki/macmillan_english_language_book_6_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/zalomi/98212205744.pdfIn PDF document text
    • https://s3.amazonaws.com/xulepiwa/god_guide_our_relationship_quotes.pdfIn PDF document text
    • https://s3.amazonaws.com/rilexazejuzovep/31068893332.pdfIn PDF document text
    • https://s3.amazonaws.com/xezonijida/lenovo_t430_drivers_windows_8_64_bit.pdfIn PDF document text
    • https://s3.amazonaws.com/tugabijenovili/arping_for_windows.pdfIn PDF document text
    • https://s3.amazonaws.com/kiguteperilodu/spark_browser_windows_7.pdfIn PDF document text
    • https://s3.amazonaws.com/nonabafat/31097098805.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_off0000d058.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD058 5236 bytes
SHA-256: c69e87734d78e89281132d4b3da0e5f6df45ff86fc147a2046dc054278bf2eb3
font_01_sfnt_off0000e21a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE21A 10228 bytes
SHA-256: 0ac61512467d835fbe28301bf3f432090f7d60096a90dc2011abe40618fd2917
font_02_sfnt_off00010528.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10528 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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