Malicious PDF — malware analysis report

Static analysis result for SHA-256 846b30e0d7134ab7…

MALICIOUS

PDF

70.1 KB Created: 2021-02-06 22:31:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 1cad4abf978a24ac4586b2b16dd539bb SHA-1: f6e7acdde8e609339baebec9e2e448382f37faf2 SHA-256: 846b30e0d7134ab7de48cca1d662bcba640ccde5c4fc3214e409922b45d2c099
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document identified as malicious by ML classifiers and ClamAV. It contains external URIs and a high-severity heuristic indicating it's an image lure linking to an SEO redirector for phishing. The document body, though heavily obfuscated, suggests a lure related to a 'Dyson v6 motorhead manual'. The presence of multiple unknown URLs further supports a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://seumenha.ru/123?utm_term=dyson+v6+motorhead+manual PDF link annotation
    • http://prognoz-football.club/addicting_games_impossible_quiz_answersvftob.pdfIn PDF document text
    • http://ueuniti.xyz/beat_saber_custom_sabers90g4.pdfIn PDF document text
    • http://guwajokuxo.22web.org/67661000278.pdfIn PDF document text
    • http://idealicaufficiale.website/dezadenabatr7nkm.pdfIn PDF document text
    • http://vikusegapaf.22web.org/gerd_treatment_guidelines_2018.pdfIn PDF document text
    • http://repair-telefonov.ru/dramatic_irony_in_to_kill_a_mockingbirdkfhy9.pdfIn PDF document text
    • http://zoosalon.org/zidodexifofatesihk2.pdfIn PDF document text
    • http://socialwave.me/hypergeometric_probability_distribution_example7ekg4.pdfIn PDF document text
    • http://sreview.online/partitioning_thousands_hundreds_tens_and_units_worksheetst91gf.pdfIn PDF document text
    • http://infonewsuk.site/zowisexupthym.pdfIn PDF document text
    • http://xofazonir.iblogger.org/93647340929.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/getizar/tn_hsc_marksheet_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/fikuvine/38404827354.pdfIn PDF document text
    • https://s3.amazonaws.com/figidireki/beckman_coulter_access_2.pdfIn PDF document text
    • http://najorenowodume.epizy.com/lokesotisezatezod.pdfIn PDF document text
    • https://s3.amazonaws.com/vukujidor/free_stickers_for_facebook.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_off0000d57b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD57B 5380 bytes
SHA-256: 7a793e322ac7d6fcf394ad5fb5498d32ec79135629d93a8394268d05d33d6529
font_01_sfnt_off0000e7ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7AB 11220 bytes
SHA-256: 59007115b295faee353631ed2bd21407cb30fb1dff9c8877f368312bc9931f7f

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