Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3aef6c6de01b71b…

MALICIOUS

PDF

34.8 KB Created: 2020-08-15 05:18:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3db09da701d6c89140c723febe371ed9 SHA-1: 734fdc1b2c0a970b66eade947be4cd73f990233c SHA-256: e3aef6c6de01b71b416613c63ee32c5e9df80fe64bcf06612457237aae0d5048
202 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains text related to a product lure ('Steve madden platform boots leather') and the malicious URL. The presence of numerous links, including one pointing to known malicious infrastructure, strongly suggests a social engineering attack designed to redirect users to harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.cc/pify?keyword=steve+madden+platform+boots+leather In PDF document text
    • http://vafamig.topflightsoccertours.com/uploads/1/3/1/4/131407435/1474196.pdfIn PDF document text
    • http://jumora.messyparenting.com/uploads/1/3/2/3/132302894/nibifaxe.pdfIn PDF document text
    • http://jelapudit.qiman.org/uploads/1/3/1/4/131454046/ce317f49.pdfIn PDF document text
    • http://files.helenpapworth.com/uploads/1/3/1/3/131379223/lazofekod.pdfIn PDF document text
    • http://files.e-learninginteractive.com/uploads/1/3/0/7/130775934/18ab180.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/1/0434/4633/7693/files/npm_run_watch.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8187/5112/files/basics_of_pl_sql.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8896/0933/files/basefuwufegilefokimanedin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4044/0471/files/kipatalino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4389/8019/files/58336243773.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6130/4728/files/povusulalolufolimo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8797/0975/files/cassese_international_criminal_law.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 4

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_off00004967.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4967 5584 bytes
SHA-256: ebb2e895e5180c567365a80edfc7d1c0fde8b6c3e137f7ae24eb2ade97cc96ae
font_01_sfnt_off00005c33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C33 9572 bytes
SHA-256: a92e3128b65ea1a2c0710d7c250f715aee09b9c0992b42be62de8684bb1deed4

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