Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e18fa6a53d9b5c6…

MALICIOUS

PDF

48.2 KB Created: 2020-08-09 01:14:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 996445a751b4a6a637e02252b8fb879e SHA-1: e48df16967a3ddebe7a00473cfb1d893099de36e SHA-256: 3e18fa6a53d9b5c63e339f476a8927d83005e197fc98ec1692f0660cc6d61fc6
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to the Paris Climate Accord, suggesting a lure. The embedded link in the PDF's object stream also points to this malicious redirector, which likely serves as a gateway to further malicious content. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm designed 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=acuerdo+climatico+de+paris+pdf In PDF document text
    • http://lajagur.realhelpconsulting.com/uploads/1/3/1/3/131398560/bikavevedogo-pefibodobuji.pdfIn PDF document text
    • http://files.kikapoosphynx.com/uploads/1/3/1/4/131437276/3001ef2c8e7396.pdfIn PDF document text
    • http://files.promisewed.com/uploads/1/3/1/4/131437276/jegur-wajokumitomu-xovegiposisafi-rebekuk.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/1/0433/0687/7080/files/pejolezogumulugadajo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2823/3885/files/duzigiwis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5943/6951/files/zunokovupoguvuxosezifom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/1057/5771/files/trade_barrier_meaning.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5733/9800/files/robenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2823/3887/files/88310682282.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4253/5574/files/32745619627.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0523/8688/files/after_study_novels.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1731/3176/files/nifopuzesukofumiguriwafa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1921/4756/files/xomigipokipubilemekidano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9349/8787/files/rogue_5e_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2992/0930/files/prevenir_cancer_de_mama.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5797/9304/files/pujobe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2175/3758/files/16124952918.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 5

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_off00007b55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B55 5288 bytes
SHA-256: b6aec03729c533bdbfb1c8ae07a38a1b62d87befcd415d6fe76443196e93e6d5
font_01_sfnt_off00008d36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D36 11268 bytes
SHA-256: dabec045f89e823a0630f225de1b0cce0de7c55cdf109ed95f3630d322fb01ed

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