Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e1e611cfb8647fc…

MALICIOUS

PDF

45.7 KB Created: 2020-08-20 04:13:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dc8027dad02e69165f27154ab6cc2dd2 SHA-1: 61ecfe97ef8b2d6b0eed0aca43b4d1794e182298 SHA-256: 7e1e611cfb8647fcc8ac8ac8c676947edbf4ffb4d56361bd4f624ebf819df4d9
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many pointing to a redirector service, suggesting an attempt to distribute malicious content or phish for credentials. The presence of a link farm and a redirector URL indicates a lure for users seeking free downloads. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a malicious document designed to redirect users to potentially harmful sites.

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=fur+elise+flute+sheet+music+easy In PDF document text
    • http://files.markchrisler.com/uploads/1/3/1/6/131637054/jugigupazojadope.pdfIn PDF document text
    • http://kafaxi.thefellowshipsite.org/uploads/1/3/0/7/130775219/pesog.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/1/0431/7629/6614/files/58931030336.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3687/6695/files/20372590412.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3942/2626/files/valoromujedid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1908/3677/files/6243094711.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/9224/2588/files/63792658823.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5608/7708/files/jebapamurinodepimuli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3157/6226/files/candy_terry_southern_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9869/4042/files/foods_to_avoid_for_kidney_stones.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2661/9288/files/analysis_and_design_of_algorithms_arora.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6807/0815/files/logic_gates_and_truth_tables_questions_and_answers.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 1

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_off00006ab5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AB5 5176 bytes
SHA-256: fb9005ee2d17c72284ca072056707dc34a8fa4c658db5133fc48dfa35ed2af2a
font_01_sfnt_off00007c33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C33 14832 bytes
SHA-256: e9b879ae843fa4250ee3e5cbe5bb46cb79f01e9fe5d8dfeb7970388cfd32d416

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