Malicious PDF — malware analysis report

Static analysis result for SHA-256 14dc4ef847181abc…

MALICIOUS

PDF

41.9 KB Created: 2020-08-18 22:37:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4b92b4f9701b632ca6505459f06e6c54 SHA-1: e1c8449afb18993d4c939596fd1d20c68e7c6cbd SHA-256: 14dc4ef847181abc57079ac3f1881db76a6f75b8e6900cb9547f9209955bb844
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains a large number of embedded links, many of which point to a redirector service (ttraff.cc). The document also impersonates a cloud document lure, suggesting an attempt to trick users into clicking these malicious links. The ML classifier strongly indicates maliciousness, and the presence of a redirector URL is a high-priority indicator.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
    Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
  • 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=top+assistant+apps+for+android In PDF document text
    • http://files.orienmcneill.com/uploads/1/3/1/4/131409761/9503586.pdfIn PDF document text
    • http://files.themercylist.com/uploads/1/3/2/3/132302876/1ee656cd97cd7c.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/1/0431/5827/4205/files/5120612798.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8863/2213/files/traductor_aleman_espaol_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1570/7551/files/verakokosedog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4760/0807/files/resignation_letter_template_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1887/8117/files/19459223836.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2920/8983/files/wanuxedakodupeliw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5811/0363/files/bbg_2._0.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1588/7256/files/4784001027.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7428/0855/files/gimozojibujivexijenaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0730/2037/files/tinkerers_construct_modifiers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7092/2655/files/rimuvolimafeke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3865/2069/files/23327253437.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000671e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x671E 4952 bytes
SHA-256: fb774d4e8bc752de6a59c5b3e737a2fd0615a44e640635e8118414f92a273f61
font_01_sfnt_off000077fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77FA 10196 bytes
SHA-256: 0972e6fc740b1404c7b6f729ed5a7466da8b1ae13b91787df4a9ac6c8e3a2beb

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