Malicious PDF — malware analysis report

Static analysis result for SHA-256 d32dc2ac20aa29cc…

MALICIOUS

PDF

46.4 KB Created: 2020-07-31 05:10:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 352ae9d920ad1fac1fc143c077806571 SHA-1: fc06938298235dd825ba725518c57ff2e987e423 SHA-256: d32dc2ac20aa29cc88df133d26d3b4f587ccdb4de41b313e35f4eb0d5888c64c
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. Another critical heuristic flags the PDF as a link farm, with 28 external PDF links, suggesting a coordinated effort to distribute malicious content. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves luring users to malicious sites via these links.

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=tornillo+sin+fin+y+rueda+corona+pdf In PDF document text
    • http://files.ryanballonlineportfolio.com/uploads/1/3/1/3/131384145/pibekalupiwibiwifit.pdfIn PDF document text
    • http://files.hawgflatts.com/uploads/1/3/1/3/131384589/xadiwafilikedareron.pdfIn PDF document text
    • http://files.rosiealabaster.com/uploads/1/3/2/8/132815054/nonewewe.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/1/0432/2725/0850/files/41101952469.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3751/6191/files/gabep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8482/3205/files/ruzuwafajun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1559/4393/files/47255640764.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4190/7100/files/86295004536.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0496/0676/files/96887200567.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6103/2598/files/60493248966.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4227/5479/files/3704109643.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5294/9913/files/97927995438.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4656/8098/files/4998718819.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0962/2695/files/55143908092.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 7

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_off00007a9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A9A 5000 bytes
SHA-256: 81b2f2515ae56bd183dda508314856b919847cb000abec6b7e1454d323aadf6f
font_01_sfnt_off00008b9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B9D 9476 bytes
SHA-256: b4ca936d9c0838e01dc22a6dc18f04bbcb51d2b0e3a414081d54d0eb74091ca5

Open this report in the interactive analyzer, or submit your own file for analysis.