Malicious PDF — malware analysis report

Static analysis result for SHA-256 93cb4008727804c7…

MALICIOUS

PDF

66.6 KB Created: 2020-08-15 16:27:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f4b66ddd5266eb0855d2ee819d5e7119 SHA-1: e012cc70479118150655afb2632438cf2b942eee SHA-256: 93cb4008727804c7d99027896729940e113301b5cd3c2253f1d1eaacb07e67cf
202 Risk Score

Malware Insights

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

The PDF file contains a malicious redirector link and a mass external PDF link farm, indicating a phishing or scam attempt. The presence of a visual download button lure further supports this. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/wb?keyword=html%20to%20pdf%20django%20github In PDF document text
    • http://files.beitnachum.org/uploads/1/3/1/4/131483253/ximegigojepirez_rabisosip_suwupisi.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/1/0434/2457/9736/files/wavelet_transform_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6831/6055/files/60171535991.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9941/3925/files/hfss_antenna_design_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0293/6992/files/blackstone_fortress_escalation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0751/5558/files/vesitupabugizezumotomin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6761/3087/files/nivutisijimededajen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8782/9928/files/4594132940.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7680/3990/files/zizobazudezenidusenapu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7300/9819/files/59177680184.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3526/3138/files/11199966534.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7388/0739/files/81764872312.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4145/5254/files/21604713086.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 8

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_off0000b09c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB09C 5360 bytes
SHA-256: 176031ec58e9eeffd24f5cbf28b2628edfad89eff1671d63049cb68ea11303c4
font_01_sfnt_off0000c2b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC2B9 19368 bytes
SHA-256: efb816524cfa138687b8fb9485097b67a761812b788b26ca07a57a07e625bdb9

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