Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f58c3bcd5fd4193…

MALICIOUS

PDF

40.5 KB Created: 2020-08-04 07:06:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 68263c7ebe2fbb39394ce6fa2af31a2d SHA-1: f0147e67d047685c31e73d35d718a6871b81d7c1 SHA-256: 1f58c3bcd5fd41935b503f4609616a90e9977703d43b3af219720c0eab6e133c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=digesto+juridico+de+la+provincia+de+misiones+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on cdn.shopify.com. The document body, though partially corrupted, contains the same malicious URL and references to 'wkhtmltopdf', suggesting it was generated programmatically to host these links. The primary intent appears to be redirecting users 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=digesto+juridico+de+la+provincia+de+misiones+pdf In PDF document text
    • http://files.gleesonreboots.com/uploads/1/3/1/0/131070073/4599908.pdfIn PDF document text
    • http://files.coastalphotoclub.com/uploads/1/3/1/4/131455158/danumasexifamedizel.pdfIn PDF document text
    • http://turolen.hongkongsprings.com/uploads/1/3/0/8/130814575/fojalasezuvipud.pdfIn PDF document text
    • http://files.myscin.com/uploads/1/3/1/6/131606411/557061e9.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/1/0432/5851/1510/files/geometric_series_proof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2872/5405/files/lipesinukegewokigiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2775/1321/files/96800432271.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2016/3999/files/subnautica_ion_battery.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2449/9367/files/babowosikiteze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7110/1346/files/ruby_copy_file.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6268/0984/files/45688484656.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gamawogedeveredu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2794/6904/files/xedidafu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0067/6003/files/68540185620.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/sonoguligi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2602/2554/files/toreno.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1865/7697/files/tejogijenamidufonexi.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_off00005b37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B37 5612 bytes
SHA-256: 7219408ce7705d3b9070e63476164a43bd1a5c31db8e3d38b59d994817d34e0c
font_01_sfnt_off00006e55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E55 11440 bytes
SHA-256: fa8cce4d7d5a86295908c0ffa62b1bd8bc4f607addc38a42a980fc3bb5801929

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