Malicious PDF — malware analysis report

Static analysis result for SHA-256 85f110d9f33baf63…

MALICIOUS

PDF

72.7 KB Created: 2021-02-25 03:08:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 46e342a2adb93308f6217dd84df1077d SHA-1: 2e9765030d23b5d0eb58faa8283bafc022c32ef2 SHA-256: 85f110d9f33baf63311f4bd117fcc2b8bed90d74f40b96e2a60b252f7eb5068b
76 Risk Score

Malware Insights

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

The PDF document contains an embedded URL that, when clicked, leads to a page related to 'Speed queen washer parts diagram', suggesting a phishing or scam attempt. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the document's deceptive content indicate a likely attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://maypoin.ru/award?keyword=speed+queen+washer+parts+diagram PDF link annotation
    • https://cdn.sqhk.co/bofozuto/lhgKQuo/mills_bomb_manufacturers.pdfIn PDF document text
    • https://menufaron.weebly.com/uploads/1/3/0/7/130775522/fifavumug_fuwogajimup_bakaroxepov_dezuxi.pdfIn PDF document text
    • https://repotadidutu.weebly.com/uploads/1/3/4/3/134310826/77fee7fde8.pdfIn PDF document text
    • https://gazapaxinu.weebly.com/uploads/1/3/4/4/134475358/karif.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vosujepagukag.epizy.com/wofonekamexenixagolof.pdfIn PDF document text
    • http://fukefuxatolu.epizy.com/vewegisefer.pdfIn PDF document text
    • http://ruvowepager.epizy.com/quorum_sae_reporting.pdfIn PDF document text
    • http://kalavelixafuro.epizy.com/subabijutowijena.pdfIn PDF document text
    • https://s3.amazonaws.com/jenisozazewubo/64955040509.pdfIn PDF document text
    • https://s3.amazonaws.com/juzowilipi/british_medical_dictionary.pdfIn PDF document text
    • https://s3.amazonaws.com/nisoxow/jukuxafos.pdfIn PDF document text
    • http://mojezira.rf.gd/93031588858.pdfIn PDF document text
    • https://s3.amazonaws.com/juliziwojatige/6417805472.pdfIn PDF document text
    • https://s3.amazonaws.com/busutafitufe/1985_bowling_for_soup_320_kbps.pdfIn PDF document text
    • https://s3.amazonaws.com/wifukedot/ilha_da_madeira_portugal_globo_reporter.pdfIn PDF document text
    • http://zulojazivuvuk.epizy.com/wibijirawalarilojakejete.pdfIn PDF document text
    • https://s3.amazonaws.com/wexoteluwag/wolf_ovens_for_sale.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_off0000da70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA70 5664 bytes
SHA-256: 9b6560938b71206368c5efac3ce9de9224930802a0a4e3556688f1c415520063
font_01_sfnt_off0000ed93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED93 12848 bytes
SHA-256: f49c4e521e53e3d60bb2e81e1a048d57b66753eff20c237f22026b34aa2f61f8

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