Malicious PDF — malware analysis report

Static analysis result for SHA-256 501d9c1b9fc327b8…

MALICIOUS

PDF

39.3 KB Created: 2020-08-20 19:06:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 78fca36e3c1cf578e3c7a220da96ac9d SHA-1: 69c19669db7bac68392830739a7eccbb124a8971 SHA-256: 501d9c1b9fc327b893c1e6a78b9a2d43091b75e69369bce376bb52bac3c9e7b7
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a deceptive document body masquerading as a weather report, which is a common lure. It embeds numerous links, with the primary one identified as a malicious redirector. This redirector leads to a link farm hosted on Shopify, which in turn points to other PDF files, suggesting a multi-stage redirection or content delivery mechanism. The presence of a malicious redirector and a link farm indicates an attempt to obscure the final malicious destination and potentially distribute further malware or phishing content.

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.cc/pify?keyword=weather+report+mumbai+august+2019 In PDF document text
    • http://files.videopeople360.com/uploads/1/3/1/8/131856285/lokasewelox.pdfIn PDF document text
    • http://remazelef.bearbugmedia.com/uploads/1/3/2/7/132712207/lilogiz.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/1/0433/1218/5499/files/roloxedolaraborozumelegov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1425/7815/files/22209240625.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/6461/9171/files/how_to_update_google_chrome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3450/1535/files/12455869123.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5436/6877/files/1842191166.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2623/2997/files/feguduzafoxeme.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4877/1488/files/most_of_us_wiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0329/7438/files/xifipukibaginileba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3437/0470/files/82033799102.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_off00005a64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A64 5836 bytes
SHA-256: 07300b03a73082ecdad287f731e80b60e0d52fe7eec8025c09af746e9f47d586
font_01_sfnt_off00006e31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E31 10180 bytes
SHA-256: feadbd40a06d8fe4f69eeeedc9e17d18aa694c4e4d079d587e0382317c23ef4c

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