Malicious PDF — malware analysis report

Static analysis result for SHA-256 e52f0f950e6343ad…

MALICIOUS

PDF

38.6 KB Created: 2020-08-24 20:24:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 81dc43e29932ca3be91194b44df6bf91 SHA-1: c7c7faf7c34dd32368ceba08002a482dd03b693e SHA-256: e52f0f950e6343addf808be8e4594886534ad61a41b6edca82ca489b4d16a4b4
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains text related to 'fall coloring sheets' and the malicious URL, suggesting a lure to disguise the malicious redirection. The presence of a link farm and a malicious redirector indicates an attempt to lead the user to a harmful site, likely for further exploitation or phishing.

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=fall+coloring+sheets+for+middle+school In PDF document text
    • http://files.kattulafamilyfarms.com/uploads/1/3/0/8/130874620/lazufadexuril.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/1/0433/2421/1354/files/born_in_the_usa_piano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6924/3553/files/sowufokuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93861148098.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0785/1171/files/59037023958.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2960/2205/files/78170227758.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6018/2692/files/19857407725.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8207/2732/files/14608688939.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0607/4780/files/rutopegutuvujepezezuje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6732/6112/files/calendario_liturgico_2020_chile.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7576/3353/files/wasuwoxinapolelix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7793/5005/files/79888724795.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8510/3258/files/vodagamanu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2132/6742/files/safolasoruwakijiriwiru.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 2

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_off0000587c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x587C 5392 bytes
SHA-256: 14a203d24a7b4e75252bad11a70a63691e298fe67087e8bf7eddc96524f2d1cb
font_01_sfnt_off00006a9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A9E 10276 bytes
SHA-256: 460266d852b54dc7a49f9eb8554162cc6fb7dd722c4d00d1751f296921d0a180

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