Malicious PDF — malware analysis report

Static analysis result for SHA-256 ffe9086b9078efad…

MALICIOUS

PDF

47.9 KB Created: 2020-07-11 15:49:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fa6eafb65b1e24f91a5f05084f5f0548 SHA-1: dff8093bbc45e94a4fe60408e887601159daee84 SHA-256: ffe9086b9078efad6f46babab152d5cbc9ec10183a78713306f641a9a8da1f28
194 Risk Score

Malware Insights

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

The PDF contains embedded links, one of which, 'https://ttraff.com/pify?keyword=incident+report+writing+scenarios', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to trick the user into visiting this malicious site. The ML classifier strongly supports the malicious nature of this PDF.

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=incident+report+writing+scenarios In PDF document text
    • http://files.risingravenband.com/uploads/1/3/1/3/131384018/buvab.pdfIn PDF document text
    • http://files.iwstreecare.com/uploads/1/3/2/7/132740479/wogupu-zukokitoruwogog-zikezugufada-pubuzesilas.pdfIn PDF document text
    • http://files.pfcmooremess.com/uploads/1/3/0/7/130776072/65264bc54.pdfIn PDF document text
    • http://files.mechuwana.org/uploads/1/3/2/6/132682386/videzuzefotu.pdfIn PDF document text
    • http://files.georgiahormones.com/uploads/1/3/1/6/131637168/1b4dd83a934d427.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/1/0430/9496/6436/files/33666865918.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/nopolopopo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rasamonuje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1020/3556/files/medafabodi.pdfIn PDF document text
    • https://pisamodu.files.wordpress.com/2020/07/mawiziwuvikakaju.pdfIn PDF document text
    • https://devejav.files.wordpress.com/2020/07/jazibikujoxupi.pdfIn PDF document text
    • https://zunuxav.files.wordpress.com/2020/06/dalibumanonokonax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7494/5184/files/vadanupuzilekofezurimazel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4973/8650/files/momavuvopogamilutatalikam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0306/0128/files/subixebofipubafoxefe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8375/1831/files/90265566119.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/48787523288.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/voxetevew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4741/1096/files/76087239037.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gevuruliwineda.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000078fb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78FB 5028 bytes
SHA-256: 3c7fc9ea61d68134db9c1f84fa44495c4fe15b36997d80fbcb970cba49a92f56
font_01_sfnt_off00008a22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A22 12664 bytes
SHA-256: 3ba2bdf2578791918b393e2ee1574bdeba270b737e0f40c2c9761932105ae139