Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c2809c058f55b11…

MALICIOUS

PDF

38.3 KB Created: 2020-08-12 05:07:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e335076b7ec549f0770ccb188aa0cfe6 SHA-1: 445ca3a975cf3cb56dbdb2111e8b61313bbdbc48 SHA-256: 0c2809c058f55b119097b0a0bd98d7ef05546f0e999c64fefa55be4928cb61d8
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to redirectors and SEO link farms, indicating a malicious intent to drive traffic to potentially harmful sites. The document body, though obfuscated, contains a URL that appears to be the primary lure, disguised as a budget document. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is used for malicious redirection 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.ru/pify?keyword=budget+2020+20+in+marathi+pdf In PDF document text
    • http://nakoxur.umecu-urbana.com/uploads/1/3/2/6/132696194/9025025.pdfIn PDF document text
    • http://files.gregstensonwriter.com/uploads/1/3/2/6/132681153/vorupife-jeralafofi.pdfIn PDF document text
    • http://files.northwesternbreastsurgeons.com/uploads/1/3/0/8/130873958/3106833.pdfIn PDF document text
    • http://files.moneyforpropertydamage.com/uploads/1/3/0/7/130739069/6566049.pdfIn PDF document text
    • http://midim.14thstreetartistcommunity.com/uploads/1/3/0/7/130739664/vajenod-zafaxawexewu-jekebabiz.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/1/0430/3529/5905/files/xinolusejat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7424/8101/files/57245697281.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2952/6688/files/74414806544.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1997/6350/files/jaxunaxujadetivaket.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5286/6463/files/gate_2020_information_brochure_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6467/1906/files/managerial_economics_samuelson.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1547/8176/files/waganojimizesewirivij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/3402/1788/files/arrancame_la_vida_libro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3669/5959/files/past_simple_and_past_continuous_worksheets_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6315/6641/files/faux_calligraphy_worksheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1567/3752/files/github_reset_local_to_match_remote.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
🗂 Part of campaign: essenkitchen.com 4 samples

Related samples 5

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_off00005689.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5689 5568 bytes
SHA-256: 6e0bda276becae11c245ca603b1258139e23c33768667bbf1acb812f43decc6a
font_01_sfnt_off0000694a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x694A 10208 bytes
SHA-256: fed827c3edd0874df1c261f737139cd5585c6567394feb2b75276c2ff4580a8d

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