Malicious PDF — malware analysis report

Static analysis result for SHA-256 eded4fbc777f3d87…

MALICIOUS

PDF

49.6 KB Created: 2020-08-20 19:01:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9537083b77aca030a6a5494012684558 SHA-1: db82958d3fe87672a5da67c8fbce84c1f7f76184 SHA-256: eded4fbc777f3d87d72115beec32ef13f003836627dc8df0ec2d7ecea7dca50e
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'accordi canzoni classiche napoletane pdf', suggesting a lure. The presence of multiple external PDF links, many hosted on Shopify, indicates a potential link farm or distribution mechanism for malicious content.

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=accordi+canzoni+classiche+napoletane+pdf In PDF document text
    • http://nenodoxaw.yoniart2000.com/uploads/1/3/1/6/131606027/xovopexezusiwu.pdfIn PDF document text
    • http://files.ufloriaorganics.com/uploads/1/3/1/3/131380342/565c880e2f28.pdfIn PDF document text
    • http://feritaxe.traversehotham.com.au/uploads/1/3/1/4/131438641/riguxafamewar.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/1/0433/9109/0844/files/62486635592.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6562/2184/files/brokercheck_dispute_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1992/7713/files/84376944495.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3921/9099/files/jegefab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1479/1068/files/android_studio_cardview_example.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1805/8901/files/ximerajo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3673/7699/files/pawux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8466/7287/files/3_star_hotel_business_plan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1916/6105/files/1770570675.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6518/0314/files/39694832977.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 3

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_off0000845e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x845E 5284 bytes
SHA-256: f2a0ec7b70357ad5d0c13c202325625c201c072bc072935e165e0b3beb64a49a
font_01_sfnt_off0000964f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x964F 10292 bytes
SHA-256: d1f4f82b0c8255ce8f95a901fd94520dd91bf80651c9d6eaac255d1ed151ddbf

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