Malicious PDF — malware analysis report

Static analysis result for SHA-256 aceddb831b37298d…

MALICIOUS

PDF

41.8 KB Created: 2020-08-11 07:30:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7d0f2bc748ddbb89b037c26423748dbe SHA-1: 8d1dde517e699ec93e8f13ee2cfaf6bf089dc9ad SHA-256: aceddb831b37298d432be7663d9d474f9213315025a1211bdb6e0ad8d1f6a5d5
194 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, creating a link farm. One critical heuristic firing indicates a direct link to a known malicious redirector at 'https://ttraff.com/pify?keyword=cardinality+of+sets+pdf'. This suggests the document's primary purpose is to redirect users to malicious infrastructure, 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=cardinality+of+sets+pdf In PDF document text
    • http://files.melissaaltamirano.com/uploads/1/3/1/1/131164424/7588125.pdfIn PDF document text
    • http://files.merchcow.com/uploads/1/3/0/7/130775747/vuzax.pdfIn PDF document text
    • http://files.sfsailing.org/uploads/1/3/2/6/132695636/453de08241ec7c.pdfIn PDF document text
    • http://files.daniellovesdogs22tv.com/uploads/1/3/1/3/131384169/a6f03a8.pdfIn PDF document text
    • http://files.porvenirmassacre.org/uploads/1/3/1/0/131070161/643464e8.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/1/0433/0727/0312/files/kilubik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1758/4283/files/65242129297.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3464/8474/files/10255799963.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8499/7025/files/livejuxutuwogosizanaxaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8531/4715/files/71715543415.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4835/3442/files/48346133157.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5147/5351/files/serway_faughn_college_physics_7th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5329/3469/files/6th_grade_science_comprehension_worksheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2587/4600/files/architectural_design_books_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9112/4643/files/66989425979.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5896/1320/files/56155591574.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4937/6161/files/algorithmen_kapieren.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0876/1764/files/atto_notorio_sostitutivo.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_off000066a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66A8 5040 bytes
SHA-256: 22010f3f300c89edd26f0602759c8e4bd833abc2abdecfa5a54bbbc6bf4e1b0b
font_01_sfnt_off000077ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77EC 10120 bytes
SHA-256: 8f2c1c84b132f63a4f079e038b7b064c9a8b0b742d563e7edcda0ce4332a727f

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