Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d2e3648c79b4fb1…

MALICIOUS

PDF

42.0 KB Created: 2020-08-05 03:36:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e52bf192927de0afac389139c1917eea SHA-1: 40cd10c627798d9d473b48e86c07a4ae941f5310 SHA-256: 5d2e3648c79b4fb1a429def6c2762810cffea1526cf83d72be7a90cd2ca483bf
194 Risk Score

Malware Insights

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

This PDF document contains numerous links to external resources, masquerading as educational material. The primary malicious indicator is a link to a known redirector infrastructure, `https://ttraff.com/pify?keyword=past+tense+present+tense+exercises+pdf`, which is likely used to funnel victims to a phishing or malware distribution site. The ML classifier also strongly flagged this PDF as malicious.

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=past+tense+present+tense+exercises+pdf In PDF document text
    • http://files.hannabasinmuseum.com/uploads/1/3/2/8/132814387/6689639.pdfIn PDF document text
    • http://xixivize.phoxac.co.nz/uploads/1/3/2/6/132681579/6926734.pdfIn PDF document text
    • http://files.westmorelandks.com/uploads/1/3/0/8/130814769/64b1428c8e7a5d.pdfIn PDF document text
    • http://files.jodymorse.com/uploads/1/3/1/6/131606431/vufamakalozezan.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1237/4174/files/xumemuwijagili.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupesuditijativerawepafu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0158/5570/files/57001336003.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3999/7595/files/255383059.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4884/3929/files/garikupizobup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0073/3596/files/5237711137.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3303/3880/files/dezakub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6302/4542/files/91876508268.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1249/7312/files/43274724213.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4023/4902/files/zunojusoberitunevete.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 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005776.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5776 4864 bytes
SHA-256: f3f168d266ef23c63f1b808bbcff8f726ebf6b6aa6be41ea76b68dd495083fd5
font_01_sfnt_off000067fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67FC 10816 bytes
SHA-256: 37cae03f1303d1e344f797148f3c75cbcf32718675984cfa00b97aa676af16b4
font_02_sfnt_off00008ce5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CE5 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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