Malicious PDF — malware analysis report

Static analysis result for SHA-256 52865744102b06b9…

MALICIOUS

PDF

45.9 KB Created: 2020-08-09 22:14:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e4588bd9c35aed6b22f6f1f0497c430c SHA-1: aa9ecd81df4cc40362059148d336ea0f76a74c18 SHA-256: 52865744102b06b9670c5de2835d5e848c3bbbc7a786368f1b67572cbe65df34
202 Risk Score

Malware Insights

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

The PDF contains a link farm designed to appear as a health brochure, likely to trick users into clicking. The primary malicious link, 'https://ttraff.cc/pify?keyword=apollo+munich+easy+health+brochure+pdf', redirects to further infrastructure. The document body contains obfuscated text and embedded URLs, indicating a delivery mechanism for potentially malicious content.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=apollo+munich+easy+health+brochure+pdf In PDF document text
    • http://files.mercedesugarte.com/uploads/1/3/0/9/130969761/pibufuzuxot-kazaj-suluvuxesuru-manopoxoratolu.pdfIn PDF document text
    • http://files.martynsmondayclub.co.uk/uploads/1/3/1/0/131070500/08cdf48b601.pdfIn PDF document text
    • http://files.kelseyglynn.com/uploads/1/3/0/8/130874180/fbe8d13eddc1c8.pdfIn PDF document text
    • http://jaxofiru.lexarosean.com/uploads/1/3/1/8/131857920/b1a6e30e5b0.pdfIn PDF document text
    • http://xowiroxi.floridasnativebees.com/uploads/1/3/0/9/130969352/segas_jizekibexar.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/1/0434/2503/8497/files/30461793022.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9656/4131/files/60365988545.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6879/8614/files/vugapibomaguwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0755/5222/files/anselm_grn_knyvei.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0857/3091/files/nuzamazerafu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8780/7129/files/39325167007.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1516/0487/files/creative_thinking_techniques.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6377/9240/files/57431385856.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9463/7734/files/la_peste_albert_camus_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0797/5330/files/zesatuwirisalemeboziga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1599/4529/files/nj_transit_bus_117.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0868/7269/files/sutozegufoberodu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12584167006.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007369.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7369 5628 bytes
SHA-256: 84c6ab7090ed373e73c101840fc548eaccd53d2fef7d0041a5016bac5f5528f0
font_01_sfnt_off00008661.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8661 10756 bytes
SHA-256: f1ee66f3e52461685615fa2cd1e9036a8ce35c2787156e2fc0e4130f8d08de46