Malicious PDF — malware analysis report

Static analysis result for SHA-256 077c96aaa9311dc5…

MALICIOUS

PDF

39.9 KB Created: 2020-08-23 04:09:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 56e9f6e73ffb2b92fb5f54302ed85de5 SHA-1: 35a3089c77d00692ffcd92cb2177d3134aaabaa5 SHA-256: 077c96aaa9311dc50d52427b985ee731b842c6ef7924666a7192f6caad3aa1ff
194 Risk Score

Malware Insights

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

This PDF file is identified as malicious by an ML classifier and contains multiple heuristics indicating malicious redirector links. The document body, though obfuscated, contains URLs that are part of a link farm designed to redirect users to potentially malicious content, masquerading as a competitiveness report. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to a phishing or malware distribution site.

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=africa+competitiveness+report In PDF document text
    • http://files.govmation.net/uploads/1/3/1/1/131163777/5123569.pdfIn PDF document text
    • http://files.cavaliercrazyrescue.org/uploads/1/3/0/7/130739076/kopuruto.pdfIn PDF document text
    • http://files.affirmationsandinnovations.com/uploads/1/3/1/6/131606874/4859404.pdfIn PDF document text
    • http://zavisexol.profgracie.com/uploads/1/3/2/8/132815732/jibujujarijidopaman.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/1/0434/0465/6797/files/97429901725.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wakudegebemufajetexu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3872/7589/files/21276289531.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/9823/9132/files/tcs_email_writing_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4211/1650/files/metroid_prime_2_rom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7687/7478/files/weekly_hourly_planner_printable.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9161/6153/files/psp_emulator_android_requirements.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_off00005f58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F58 5180 bytes
SHA-256: be4e52632edc078d9d4a558da41766003e0d046a9ececc43ae8589d0b444cf81
font_01_sfnt_off000070e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70E1 10080 bytes
SHA-256: 74f4084f9844c45c61163b577777cad07328e255563a07214172df51a5c7e761

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