Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ffb520451df5d32…

MALICIOUS

PDF

41.8 KB Created: 2020-08-14 23:08:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 16a9db4896118801205e655fb470adf9 SHA-1: 35677a7c16f02390b0c2cec0cf133fd40ced495b SHA-256: 1ffb520451df5d328298450bd23fc290e08351b55530df20fa3ea5e120b209a9
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a primary link to 'ttraff.com' which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains the text 'Google play store on smart tv', suggesting a lure to trick users into clicking the malicious link. The presence of numerous other links hosted on 'cdn.shopify.com' and other domains indicates a link farm strategy, likely to obscure the malicious destination or to improve search engine ranking for malicious 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.com/pify?keyword=google+play+store+on+smart+tv In PDF document text
    • http://files.storeofhopeministries.com/uploads/1/3/0/7/130739922/luwenasezodidewo.pdfIn PDF document text
    • http://nerojuk.natureandyou.org/uploads/1/3/1/3/131383314/14722f940.pdfIn PDF document text
    • http://vijolu.transportofyesteryear.com/uploads/1/3/2/6/132681670/5581.pdfIn PDF document text
    • http://files.geeklectica.com/uploads/1/3/1/3/131383333/ce9b54323b2e.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/1/0428/2512/1959/files/37879777854.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3092/0871/files/93560258888.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9181/1734/files/fosewuxotodeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8434/1657/files/vuludigutet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7378/1408/files/aprendizajes_clave_secundaria_educacion_fisica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6593/3973/files/proper_noun_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vejut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4872/2851/files/shielded_twisted_pair_cable.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0314/9462/files/89107477207.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5368/4638/files/colibacillosis_pada_ayam.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_off000064a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64A0 5332 bytes
SHA-256: 02078380f3d8b29edebfeabcd5e63aefba4e31f2a5cca585622c2ddf5a53460b
font_01_sfnt_off000076c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76C5 10344 bytes
SHA-256: c9ee27590ba16b23d746d9d08b950cb2b58c6b3dc5c8ce508899e8fde2289d6b

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