Malicious PDF — malware analysis report

Static analysis result for SHA-256 00f2ace6b2232f70…

MALICIOUS

PDF

43.3 KB Created: 2020-08-26 15:11:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ca17dc386eb4675fc31a08db24d461b4 SHA-1: 52cffbaa26bee77bd68ea59faf2b3e1bfa289d5d SHA-256: 00f2ace6b2232f7081de6df5bfb2317d12e1e73da80eb40bf3c0c16b9387ef49
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a known malicious infrastructure, identified as a redirector for SEO phishing. The document body, though heavily obfuscated, contains the same redirector URL, suggesting an attempt to lure users to a malicious site under the guise of an apartment guide. The ML classifier strongly indicates maliciousness.

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.ru/pify?keyword=apartment+guide+indianapolis+west+side In PDF document text
    • http://kixusev.gailellensmith.com/uploads/1/3/1/1/131164250/47e53b2cd0371.pdfIn PDF document text
    • http://files.williampeskett.com/uploads/1/3/0/7/130739658/58306526.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/1/0443/2153/8204/files/belijiwemowafevesus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8030/3267/files/bones_tv_show_episode_guide_season_7.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3178/9721/files/bukhari_sharif_in_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3250/1656/files/99288041742.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3296/7318/files/nasm_5th_edition_textbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3605/5454/files/college_graduation_party_invitation_templates.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1748/4957/files/lakujob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3333/7768/files/rarodizuzidopefuwogo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0158/5562/files/sports_terms_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/3109/3397/files/reading_graphs_and_charts_worksheets_middle_school.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1143/2867/files/vaturu.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 6

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_off000063a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63A7 5360 bytes
SHA-256: 72850e310621aabed8814d508959c7f5b7a6c6db25dc6696ab327c98e4c18d5d
font_01_sfnt_off000075d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75D4 13560 bytes
SHA-256: 69eb5479fdf09fa753c86cf95fa48a06eba183a608966c8493ec29941d681ee2

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