Malicious PDF — malware analysis report

Static analysis result for SHA-256 287f6bc5f9696aad…

MALICIOUS

PDF

35.1 KB Created: 2020-08-20 18:59:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 00c98133e0d98f9d31446da7d68b7d10 SHA-1: 018d5336e2387c63b0d2a8eeff75b3223fc3fb83 SHA-256: 287f6bc5f9696aad589e99e7740e9c8cd7def1dc1787bc00c233e37d64c6c16b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a lure related to a 'baby girl announcement card template' and embeds numerous links. One of these links, https://ttraff.com/pify?keyword=baby+girl+announcement+card+template, is identified as a malicious redirector. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=baby+girl+announcement+card+template In PDF document text
    • http://files.adf64.org/uploads/1/3/2/6/132695492/kusevobizati-saxogegoti.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/1/0431/0522/2822/files/3rd_grade_fsa_math_practice.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3572/8794/files/12713207000.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7079/0558/files/fubigozajigadukik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7755/8681/files/kopavonaxowexinavusovo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7005/4805/files/blue_book_of_grammar_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5443/0368/files/solidworks_tutorial_drawing.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2291/6520/files/86143747387.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1849/2824/files/muvunowupikabezu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6020/8540/files/54798891698.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2834/9079/files/189625542.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1826/3464/files/61403788722.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5599/6328/files/patogenesis_anemia_defisiensi_besi.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 3

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_off00004d7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D7D 5508 bytes
SHA-256: 33a9989e130cabcf96504637908023323afdf39c33a3e7f5b02cadf4b0508d05
font_01_sfnt_off00006015.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6015 9252 bytes
SHA-256: a301fd8f063d3ebd06ecfb4783b5d3295ee36ded510e8d73c439d18a96c4e11c

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