Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0bbe63e707521c7…

MALICIOUS

PDF

80.7 KB Created: 2021-03-08 20:42:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 0dbada5ee5384e9ef9d05ed3dee5e403 SHA-1: e2b1ad96ddda3b4327933eb19ea28c114100812c SHA-256: d0bbe63e707521c77c515018c4a0497a62a6e7dafae724f465ed825296ea5d7b
76 Risk Score
Tags
free-cdn-ebook-manual-lure

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 4

  • 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://xezojetit.ru/123?utm_term=mockingbird+book+summary+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4426945/normal_5fc6b4162662f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421959/normal_601916e8b66fc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4461773/normal_5fcd0b86c193c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443342/normal_60395449097f9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370542/normal_5fe7748ee8fe5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372382/normal_604162c21a92e.pdfIn PDF document text
    • http://tavaxibewoposo.iblogger.org/centurylink_fiber_speed_slow.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414494/normal_5ff856cea7d1b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380237/normal_602820714487e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386605/normal_5fe6d2c2b10c8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392652/normal_60371c0521a5f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426676/normal_6005bf2400193.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368996/normal_5ff148473684d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4390642/normal_5fc7cccd0fc0e.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/vatosolikijike/85698661958.pdfIn PDF document text
    • https://s3.amazonaws.com/xufujofaleki/tuwafademefugibodumuno.pdfIn PDF document text
    • https://s3.amazonaws.com/vezumobigodub/canon_scanner_lide_120_software_free.pdfIn PDF document text
    • https://s3.amazonaws.com/bejeseja/miwozidijabisatopidus.pdfIn PDF document text
    • http://daxepusiz.rf.gd/introductory_phonetics_and_phonology_of_english.pdfIn PDF document text
    • https://s3.amazonaws.com/sikuva/69781416756.pdfIn PDF document text
    • https://s3.amazonaws.com/wiwamoxamo/what_did_the_martian_say_when_he_accidentally_landed_on_venus_answer_key_math.pdfIn PDF document text
    • https://s3.amazonaws.com/mukutud/assessor_reporting_tool.pdfIn PDF document text
    • https://s3.amazonaws.com/gupojakami/skyrim_requiem_best_standing_stone_for_mage.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_off0000efd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFD5 5436 bytes
SHA-256: c7bfafa03ae4ea8f8d4d4996760b95c78eaf0f78e7b9d41922c3da691519fe97
font_01_sfnt_off00010230.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10230 10820 bytes
SHA-256: ee3a297af0981307c24f1473c4c8609c539064feac75edc87c253a68c1f35290
font_02_sfnt_off0001272a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1272A 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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