Malicious PDF — malware analysis report

Static analysis result for SHA-256 87285c93f0086f26…

MALICIOUS

PDF

45.0 KB Created: 2020-08-24 14:17:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cf66b5a27c3909515f5c319f93cf165a SHA-1: 0cdbbc1ec57aec5d18c49a97cb4887a6d0db10eb SHA-256: 87285c93f0086f26c6e2894d0fb727ea1d59712651bb1d1d260bad1a25a26280
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be part of a phishing lure for a 'workforce diversity meaning pdf'. The presence of a malicious redirector and a large number of external links suggests an attempt to drive traffic to malicious infrastructure, likely for further exploitation or credential harvesting.

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=workforce+diversity+meaning+pdf In PDF document text
    • http://files.suleamath.org/uploads/1/3/0/7/130740573/toxegiz_balulugof_zemokotigab_guzaletoma.pdfIn PDF document text
    • http://peras.thissiteisunderconstruction.org/uploads/1/3/2/8/132815114/vufasifovugu-dapemizojulaj-kobenit.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/1/0439/3009/1688/files/mutuwitaxitanixu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1087/5815/files/969741522.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/6819160869.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5706/7685/files/63424249553.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7430/4662/files/wulerime.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/6006/0309/files/xekuzaxinimajawozid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/1500/7390/files/cracked_android_phone_screen_repair.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6319/6310/files/xizekewewu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8362/0767/files/vefore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/0555/9203/files/51592200872.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinavupomun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7182/3262/files/durable_power_of_attorney_form_tennessee_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/0554/5369/files/wibud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5837/8392/files/manual_de_campana_extractora_sole.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/4896/7848/files/fixinipupipijixa.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 3

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_off00006f00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F00 5684 bytes
SHA-256: da41049059f9e5f17ac4f0d3b8458214479caeb363acd45cc81460b586051805
font_01_sfnt_off0000825b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x825B 10804 bytes
SHA-256: bc1f090ee5b6d4429a2f358cd1d18751aa4c67e19bd8791dd109eef040e0c11d

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