Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c48443e7e2c77be…

MALICIOUS

PDF

48.6 KB Created: 2020-08-10 06:55:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9438824cfc5d64e60a0516131a7a4bd1 SHA-1: 612afc17e3d7c8778bf4c3732e6005b0ca1d00b3 SHA-256: 2c48443e7e2c77bedeeaa20e5faccd8c226a1cbbaa40dd6f6ca1502144e28377
194 Risk Score

Malware Insights

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

The PDF contains a link farm designed to appear as legitimate search results, with the primary malicious link redirecting to "https://ttraff.com/pify?keyword=sample+abstract+reasoning+test+with+answers+pdf". This indicates a social engineering attempt to trick users into downloading further malicious content. The document body itself is heavily obfuscated but contains the malicious URL, reinforcing the lure.

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=sample+abstract+reasoning+test+with+answers+pdf In PDF document text
    • http://files.sevahealingarts.com/uploads/1/3/0/8/130873876/mirugotogori-lumokibomabixi-fazesuzaj-zunosuro.pdfIn PDF document text
    • http://files.oujiunyou.com/uploads/1/3/0/8/130874633/zijujesidekos-zabulevusitedet-nobedabuxani.pdfIn PDF document text
    • http://foxexaxo.chunkyharmonies.com/uploads/1/3/0/8/130813528/wuniduvi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9218/1153/files/19969309436.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8764/3302/files/kabomafukijonugutotu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0663/1833/files/dizionario_dialetto_bresciano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2476/7400/files/acca_f9_revision_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8969/0773/files/55659239214.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3638/5175/files/78349120976.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9373/8143/files/58855233636.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0127/3750/files/gta_5_xbox_360_cheats.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5793/7561/files/52001885411.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6021/3398/files/wodawuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3908/8027/files/arutunian_trumpet_concerto_piano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8019/7031/files/zijazokojomujasi.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007099.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7099 5692 bytes
SHA-256: c6e9689e5ee2ec197318bf3e27e644f0db08d5b80b163c17d37c503453f7b235
font_01_sfnt_off000083c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83C4 10428 bytes
SHA-256: 6a5abf72b97be590afa50841cd101a5cc40125f3dac6da484eae07ea1c02d047
font_02_sfnt_off0000a720.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA720 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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