Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ecf8a070d7eb0c2…

MALICIOUS

PDF

37.0 KB Created: 2020-08-10 09:38:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6d36cd7d12fc4fdafa05e12bce33c0a4 SHA-1: 43d61ae9e76f631d0a5cec9e74b21c1ba98382e0 SHA-256: 8ecf8a070d7eb0c283d44d9a0e68e2bbe4b8cf1e8a8fa78e7366d90566d64b35
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded URLs, with one specifically identified as a malicious redirector. The document body, though partially corrupted, includes the text 'Goodbye air supply piano pdf' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of numerous other Shopify links indicates a potential link farm for distributing malicious content.

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=goodbye+air+supply+piano+pdf In PDF document text
    • http://files.hedgelandscapedesign.com/uploads/1/3/1/3/131382148/f5a2768c7d.pdfIn PDF document text
    • http://files.limaresources.com/uploads/1/3/1/0/131071289/butanixopu_rowuxuzageti_danuduru.pdfIn PDF document text
    • http://files.chrisnorrisart.com/uploads/1/3/1/3/131380138/3b57b547b506.pdfIn PDF document text
    • http://files.whowardwilliams.com/uploads/1/3/1/1/131164473/91ceabc49ad2fd.pdfIn PDF document text
    • http://files.youdirtydawgpdx.com/uploads/1/3/1/4/131438571/9370797.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/1/0434/7245/3797/files/62539182686.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7301/0845/files/jutuwuxezezabenotozubos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7525/3910/files/importance_of_job_evaluation_in_human_resource_management.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/3352/9241/files/kixuvukuwimejizugegajaso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8944/3493/files/bible_story_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0408/4899/files/33226858671.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6395/1003/files/toxofakumesipumilagesi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5717/6986/files/pelalisuxigevemafizi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1784/6427/files/benson_idahosa_biography.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8524/1256/files/lapixa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8004/8023/files/29014079063.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4503/4911/files/lawaxiwutezazigunivovel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8804/4442/files/lebawekosarabuwopali.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 6

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_off000053b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53B1 5308 bytes
SHA-256: 9f0798224549327fec8bb97483a9b52dee9714bddac5ce3c6e7cdd933b0a2d31
font_01_sfnt_off000065d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65D1 9764 bytes
SHA-256: d14f4065b07a581b56e9c315a2de8a8c8037cc6242891e290a9027782cff73b0

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