Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d0ae6656084517e…

MALICIOUS

PDF

45.2 KB Created: 2020-08-05 16:10:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0d8bd5fd0d1c3fb94499a680462c92a2 SHA-1: 4b66b88072c148b24ff64290b38ccc3ec542992b SHA-256: 7d0ae6656084517ef65214fabc662009b8db70197d722ef8553f0646d5750b0f
194 Risk Score

Malware Insights

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

The PDF contains a link disguised as 'Zoho c aptitude questions 2020 pdf' which redirects to a malicious URL. This is a common lure for phishing or malware distribution. The PDF also contains a large number of external links, many of which point to benign Shopify URLs, suggesting a link farm or SEO manipulation tactic to obscure the malicious redirector.

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=zoho+c+aptitude+questions+2020+pdf In PDF document text
    • http://files.washingtonmuseum.com/uploads/1/3/0/7/130738548/3328342.pdfIn PDF document text
    • http://gufizabur.conservationoffineart.com/uploads/1/3/0/9/130969300/9497966.pdfIn PDF document text
    • http://files.elizabethlaude.com/uploads/1/3/1/4/131438142/xozon.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/1/0434/9480/1568/files/1809255593.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7140/6237/files/75089612302.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0840/0280/files/fallout_3_amata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4618/3847/files/kapojajilolezugidodo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4646/9793/files/gatazov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7198/0198/files/knapsack_dynamic_programming.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7510/7990/files/jamosaleb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3885/0724/files/72462904176.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49839171509.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97897646990.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0303/4276/files/a_handbook_of_contemporary_spanish_grammar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5844/5979/files/solagis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5031/9517/files/48600967838.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3731/0626/files/74369123112.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9028/8535/files/75725807406.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: aberdeenlatinschool.com 3 samples

Related samples 5

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Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006996.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6996 5472 bytes
SHA-256: 3adcbaaee0de7320d96472cd784c2ac2d255be20d7f8c7829211fcb438c0d85f
font_01_sfnt_off00007c38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C38 13848 bytes
SHA-256: 3312b217fe1acf09687cdde07c792b1c0b79a186106a88a3ef86efef681ae7eb

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