Malicious PDF — malware analysis report

Static analysis result for SHA-256 478de46544c1402a…

MALICIOUS

PDF

49.9 KB Created: 2020-08-15 02:29:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6142150057920fdc9307dc8222354e5d SHA-1: c9eb364182f722199f30e522b9fda4e376bcaef5 SHA-256: 478de46544c1402a28e3fc319955d1fc709938dcf7ec186a43aeae70580f790d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL and a lure related to 'Bling launcher no ads apk'. This suggests the primary purpose is to trick the user into visiting the malicious URL, likely to download further malware.

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=bling+launcher+no+ads+apk In PDF document text
    • http://files.tealthreads.com/uploads/1/3/1/6/131637325/benaleg-dexejogitusi-dawipafujero.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/1/0433/0687/7080/files/pijajaza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6825/1543/files/tefox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5411/1656/files/ligadura_de_cordon_umbilical.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1922/2687/files/ice_bin_sachivalay_model_paper.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4378/1792/files/werudukutibozawex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0755/7283/files/ruwofi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5026/1911/files/pakugixuvu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3477/1610/files/sunulituzotuxezikoge.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9985/7823/files/murotafepez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8924/7894/files/music_conducting_lessons.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006054.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6054 6980 bytes
SHA-256: 995e11e783e0a116dbb30451e4cec66a653684e62d3d162d9b65d6b6827edbff
font_01_sfnt_off00007226.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7226 5448 bytes
SHA-256: 2879ab1a882679cf6db3f6d6f7c009feed6dfefde1aa7bcb40cff0ae62893426
font_02_sfnt_off00008496.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8496 5228 bytes
SHA-256: 70654550da783579a0266339d5faef22d5b9f643f2fd371b382c384344810c20
font_03_sfnt_off000097c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97C2 10060 bytes
SHA-256: f8f1b2d10dc9086c40d7b29d96a3b19c7188b0e5a4bcd121a6c5f7177d275b45

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