Malicious PDF — malware analysis report

Static analysis result for SHA-256 c49d8c1eb8bb6e61…

MALICIOUS

PDF

41.8 KB Created: 2020-08-18 14:10:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 794212814c4e8cce66d094d3657c4e7b SHA-1: 20614a773e9ccc946a4cadf107eaaffbca1d60f2 SHA-256: c49d8c1eb8bb6e612a3a41bb9f497e3e50706aeddacc5607bbdbd75872e9f4d7
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific redirector URL, indicating a phishing or malicious content delivery attempt. The primary malicious indicator is the redirector URL, which is designed to lead users to harmful content. 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.com/pify?keyword=master+blaster+cricket+game In PDF document text
    • http://files.candeetrain.lt/uploads/1/3/0/7/130776682/vagufewev_wididal_jeluwodebu.pdfIn PDF document text
    • http://files.fischerandcardamone.com/uploads/1/3/1/6/131607163/tuvaduta_kavezizijof.pdfIn PDF document text
    • http://bodigub.cathybinghamphotography.com/uploads/1/3/1/3/131380600/razukusa-dibofulos-mijavatuwanopo.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/1/0431/7596/8928/files/70270254923.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4911/5029/files/30220750064.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/6284/1759/files/wordly_wise_book_8_lesson_4_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2587/2549/files/noguwetewuxel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0980/9318/files/45742625899.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6580/2905/files/rekoxinikafezewit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3564/8409/files/chess_game_for_windows_7.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/daxakukopugabuvudunevit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9502/4033/files/nizadawaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0151/1064/files/mating_interval_multiplier.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C98 5328 bytes
SHA-256: 6e79acf69bad93c207be34baac81775d4186d6a1b653d1d9147084379c0693c1
font_01_sfnt_off00006e9e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E9E 13952 bytes
SHA-256: 3a6331325c612a8e893e92f35a9aa7b7e765fb9c1f52d6527395bb59d68f86de