Malicious PDF — malware analysis report

Static analysis result for SHA-256 da90b205a800685a…

MALICIOUS

PDF

42.4 KB Created: 2020-08-24 09:40:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 57c0390dc2b9a74f1595b3283f306498 SHA-1: b889a3325e2c296beb00a751d0d951ee8e4f2fdc SHA-256: da90b205a800685ab9ef3b7552aa7a1704edc9585738c285e12abb02977ac8e5
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure related to 'Oscar nominations 2019 voting sheet' and embeds a significant number of external links. One of these links, 'https://ttraff.com/pify?keyword=oscar+nominations+2019+voting+sheet', is identified as a malicious redirector. The document's structure and embedded links suggest an attempt to direct users to malicious infrastructure, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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://ttraff.com/pify?keyword=oscar+nominations+2019+voting+sheet In PDF document text
    • http://files.kenplattner.com/uploads/1/3/2/8/132816066/rimodevi_nobito_sizefepavovijej_zawuromudagetiv.pdfIn PDF document text
    • http://files.malindunfors.com/uploads/1/3/1/4/131437532/52832e0.pdfIn PDF document text
    • http://files.artistmarnie.com/uploads/1/3/1/4/131406258/laxuxopol-bajewefevarid.pdfIn PDF document text
    • http://gepabo.fundamentalmed.com/uploads/1/3/1/6/131636789/lawosatojegominor.pdfIn PDF document text
    • http://files.billsenglish.com/uploads/1/3/1/3/131379639/6793042.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/7352/3112/files/ielts_reading_actual_tests_volume_1_2_3_4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5185/0647/files/ibps_po_exam_syllabus_2020_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8005/5965/files/19625655399.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/chromedriver_2._44.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/6325/4680/files/anbe_sivam_songs_320kbps.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8402/7806/files/vokeluvasudegib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3169/1421/files/cumulative_causation_theory.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zadolodiwifunum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5509/5712/files/88474423830.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0616/3104/files/geruwakuvenamajageku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2071/4137/files/nachalo_book_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7318/3637/files/58587450186.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

Related samples 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000668d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x668D 5752 bytes
SHA-256: e21a29e266cc3f63e37dfb2a95dd295a43c99e7db4842bef34c8c0643c7973be
font_01_sfnt_off000079f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79F9 10068 bytes
SHA-256: 687cc2e99dceb49dd5663a04a17d3049dc53dd8d0da8a9e260d4ba94061d8125

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