Malicious PDF — malware analysis report

Static analysis result for SHA-256 e869aef02cf6c188…

MALICIOUS

PDF

42.6 KB Created: 2020-08-14 08:49:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4c39d7b027c93aa1ae4f56b54d1a9823 SHA-1: 9ee464d1bdd2c6e75e08e6a1ea36bf49b63f311c SHA-256: e869aef02cf6c188acc6e8dec3765ba89e8f468b5480f214058c398e23a18b98
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, with one specifically pointing to a known malicious redirector. The document body, though heavily corrupted, contains text related to 'Minecraft games free for computer', suggesting a lure to trick users into clicking the malicious link. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further 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=minecraft+games+free++for+computer In PDF document text
    • http://files.glacierpilotslegacy.com/uploads/1/3/0/7/130739147/1050539.pdfIn PDF document text
    • http://files.mccrackenceramics.com/uploads/1/3/1/1/131164063/996767d9addd2c.pdfIn PDF document text
    • http://files.bigtrecreation.com/uploads/1/3/1/3/131379612/fasezojozixuf.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/1/0430/8313/7178/files/18510192220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0411/6637/files/14879312139.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4116/9309/files/vovojujowopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2764/5095/files/gukoninu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5917/3784/files/zodiduz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0966/2366/files/79833032227.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8443/7922/files/frog_hello_my_baby.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9812/1119/files/backbeat_go_2_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2849/5001/files/59108674038.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 8

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_off000067e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67E4 5308 bytes
SHA-256: a3c0954caee658f8f988aeb97fc45fe969ca756388cdba8132e2623b91592243
font_01_sfnt_off000079e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79E4 10540 bytes
SHA-256: 26d9bea5f6d40c542c5e702651e943ef5186d5f334929b434982698681243f9f

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