Malicious PDF — malware analysis report

Static analysis result for SHA-256 e013e898d37451f0…

MALICIOUS

PDF

42.6 KB Created: 2020-08-11 00:47:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1121a1938c49045122e8932fdb4eaa69 SHA-1: ad11db90b29f9906d89c954773c3e017fdad8a5c SHA-256: e013e898d37451f0f159a5a0c16dc47287b2083ce5ad3242e11ed947c05f7f88
194 Risk Score

Malware Insights

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

The PDF contains a high number of embedded links, many pointing to benign Shopify domains, but one critical link to 'ttraff.cc' is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to the 'ttraff.cc' URL and appears to be a lure for a schematic PDF. This suggests the primary goal is to redirect the user to malicious infrastructure.

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.cc/pify?keyword=arduino+mega+2560+r2+schematic.+pdf In PDF document text
    • http://files.amyplouff.com/uploads/1/3/1/4/131437532/5857048.pdfIn PDF document text
    • http://files.jjsalvator.com/uploads/1/3/1/0/131070849/70c3eccc98aa623.pdfIn PDF document text
    • http://files.kidzkreationzcraftclub.com/uploads/1/3/2/3/132303081/gafedi_dugexalerizopex.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/1/0433/6956/2266/files/boticario_catalogo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3901/4562/files/bekagepolotibevidam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3705/6414/files/42457437780.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9044/2395/files/figasipukamurapewaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8870/6717/files/algebra_maths_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3848/1311/files/67860768072.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/4202/6150/files/ridekokunesatokaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1482/3844/files/84101601190.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6274/7548/files/32924438345.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0414/7350/files/57248999651.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1030/9787/files/butom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3785/7691/files/22353836431.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_off00006669.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6669 6108 bytes
SHA-256: 9aa2c5f11daa1c279df409806d301a86f96a1cfd9f4ebcba8627925937bb85e2
font_01_sfnt_off00007b09.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B09 10124 bytes
SHA-256: 72a061735a6a6ccd537e318afc466a0d24509c4a4221eb61469b16d71db5ce4d

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