Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce3c80108946d34b…

MALICIOUS

PDF

52.3 KB Created: 2020-08-28 03:55:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a3ad2ddd63b9f9fb3355474422afade5 SHA-1: ad2904f32c1b01293afc617c7f0f7a19f7cf5de4 SHA-256: ce3c80108946d34bf983a3ebe571abe94a3d85d4b1b2fb327f5a5f806e040a95
194 Risk Score

Malware Insights

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

The PDF was flagged for containing a malicious redirector link and a large number of external PDF links, suggesting a link farm. The primary malicious URL identified is https://ttraff.cc/pify?keyword=dofus+sacrier+build+2019, which is a known malicious redirector. The document body contains obfuscated text and the target URL, reinforcing the malicious intent. No scripts were extracted, limiting the analysis of specific execution behaviors.

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=dofus+sacrier+build+2019 In PDF document text
    • http://dekuk.rrrca.org/uploads/1/3/1/4/131453416/5248154.pdfIn PDF document text
    • http://files.rleonardesigns.com/uploads/1/3/1/4/131411596/negevema-kotivamekaribif.pdfIn PDF document text
    • http://files.theburgershackpa.com/uploads/1/3/2/8/132814050/a3fe4235826f3.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/1/0438/2192/4514/files/administracion_de_recursos_humanos_dessler.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9838/3260/files/learn_french_with_audio.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8933/7256/files/blast_furnace_slag_cement.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9128/7461/files/marco_teorico_del_maltrato_animal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6365/7119/files/the_wanderer_anglo_saxon_poem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/0896/2210/files/speed_phonics_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2228/5976/files/95352270802.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7500/9686/files/ableton_live_lite_9_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3406/7615/files/fakuwodowi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5661/0971/files/kakikamamikovazu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9151/5805/files/mathematical_analysis_by_tom_apostol_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9884/7896/files/siwemoxumunuzodikutowug.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 2

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_off00008d67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D67 5636 bytes
SHA-256: 0d015e276f3a43ffcd274130e99d873b8b750a97dcbd1e3c77299ee6d0feae8f
font_01_sfnt_off0000a0a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA0A1 10452 bytes
SHA-256: e3606803454a841fb5914a3b678ba89d25bf9ea836c7fdc192de99ab0f9fba40

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