Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2971ceb2ae0f403…

MALICIOUS

PDF

45.1 KB Created: 2020-08-01 12:46:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 884b724d6923eea6b3a6d3eebc39526e SHA-1: 2d4abb8a54a0d84429e7748c846b479ec3b3cac0 SHA-256: e2971ceb2ae0f403b8de831922ac50265421eed4adde676d3b695188599827fd
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The primary purpose appears to be directing users to external sites, likely for phishing or malware distribution. The presence of a malicious redirector at https://ttraff.cc/pify?keyword=drake+summer+sixteen+zippy strongly suggests malicious intent.

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=drake+summer+sixteen+zippy In PDF document text
    • http://files.humanitycenter4change.org/uploads/1/3/0/8/130814043/3c78265436.pdfIn PDF document text
    • http://files.hillcrest2018.com/uploads/1/3/1/0/131070523/4145378.pdfIn PDF document text
    • http://files.geoffwestlake.com/uploads/1/3/1/4/131437839/dasivafawasikexirem.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/1/0430/7386/3842/files/36390800867.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0423/9770/files/fivagatimaximu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/21317632774.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8910/0951/files/wonirixutatapujofaro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tekutuni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6083/0108/files/xilisopixejaveligaxaxud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2702/8375/files/fuzelatowejufapafixuxutus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1130/8696/files/39345041388.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0704/9887/files/cobra_dsp_9200_bt.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1370/9722/files/73584469038.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1655/2605/files/lifexuwedupobunewetitifax.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 4

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_off0000708b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x708B 5216 bytes
SHA-256: d568c0b0b8ef7d781cb36c7088ab1fba47be58293578c6e56a5c292cdc7a6b1c
font_01_sfnt_off0000824f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x824F 10752 bytes
SHA-256: 97454529663321acee5604dd1acd3927425070f6a3d8689f510da49da3cac5d6

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