Malicious PDF — malware analysis report

Static analysis result for SHA-256 1573392474ba40f0…

MALICIOUS

PDF

34.5 KB Created: 2020-08-05 16:57:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e6b0a8deed395461df8c6a3a3c677f4f SHA-1: d2b361a8074ba9d159b36ac5cc54aa4e19135972 SHA-256: 1573392474ba40f0257cc0d1ef84678ec27e78353305d440c5e869b744a8525d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link that redirects to malicious infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded links suggest a lure to download a catalog, which is likely a phishing or malware distribution attempt. The ML classifier also strongly indicated maliciousness.

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=catalogo+dahua+ip+2020+pdf In PDF document text
    • http://files.squarelakeassociation.com/uploads/1/3/1/3/131384559/a99817308fd.pdfIn PDF document text
    • http://files.heavenlyhandshousecleaning.com/uploads/1/3/0/7/130739718/mefogilen.pdfIn PDF document text
    • http://files.midwestnettingsolutions.com/uploads/1/3/0/8/130874370/68542bd9ec089.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/1/0432/5025/3979/files/rurojogipowage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3059/3192/files/74038325587.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9027/1642/files/xiseseniza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1202/1662/files/69660463898.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3883/3816/files/64079335384.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2286/0966/files/labutuvujovi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6562/9077/files/zewugolitunatazofufifejiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5592/3878/files/hbs-_750_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9986/4734/files/72947295411.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9150/9919/files/5252370062.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6888/3097/files/nowutisexev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2649/7182/files/87205047385.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7352/6178/files/fusofuremabax.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_off00004991.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4991 5208 bytes
SHA-256: f0cd45e10baead53ec3d02fc7d1a4b292c7feff9cda1d6101dea9701ce4d9c2a
font_01_sfnt_off00005b46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B46 9980 bytes
SHA-256: 66173a2a0efd5f89ffee959735cb93a029e73483dbefc34d345390cb9a5b1322

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