Malicious PDF — malware analysis report

Static analysis result for SHA-256 96bcc213c66c5ba3…

MALICIOUS

PDF

38.4 KB Created: 2020-08-15 19:51:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 62df97d9dc7ba397aa6b1eab307f8e6a SHA-1: 7aacf04999372fd3a58732d7b5fdb02e454be1f9 SHA-256: 96bcc213c66c5ba39b7afef61f97b49dd322c7c8df30e982f0edcbe20754e757
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains a significant number of embedded URLs, with a critical heuristic firing indicating a malicious redirector link to 'ttraff.com'. Another critical heuristic identified it as a PDF link farm, with 28 external PDF links. The document body, though heavily obfuscated, contains references to these URLs, suggesting a coordinated effort to distribute malicious content or phish users. No scripts were extracted, limiting the analysis of direct payload execution.

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/wb?keyword=maimeri%20puro%20pdf In PDF document text
    • http://files.fresnocatering4u.com/uploads/1/3/1/3/131398374/vabalisivalonewanisu.pdfIn PDF document text
    • http://files.talltalesuf.com/uploads/1/3/2/8/132815872/3f4b47.pdfIn PDF document text
    • http://rajupi.sheafferselect.com/uploads/1/3/0/9/130969130/desekepebekus.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/1/0435/3343/5029/files/66057569176.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8345/4872/files/fajitalanolujoduvuzegolux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2684/9700/files/948740237.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0236/3045/files/agriculture_supervisor_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6856/3355/files/86769571726.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3507/4465/files/witivavum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1253/5958/files/bahubali_movie_hd_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0230/6468/files/telecom_oss_bss_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/adeptus_mechanicus_v8_codex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2746/2301/files/wekip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4229/2390/files/vegizuzomuzepu.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 4

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_off00005a18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A18 4984 bytes
SHA-256: 3caf113f3861829455ddc295b3a2e65606b6afefc81c2b7d78a5757cc630a14f
font_01_sfnt_off00006af7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AF7 10172 bytes
SHA-256: 041cd9d11f2d94df5486a5b6c940ddf31af6749b38450b89d73807e956a93afa

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