Malicious PDF — malware analysis report

Static analysis result for SHA-256 9fee7ed4936fa72f…

MALICIOUS

PDF

54.2 KB Created: 2020-08-19 18:11:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8f648fd06cd6e7f1591fe0ccb38f6f0d SHA-1: 4a9b6e166f038761bbba69ce43478a47f2f2ff06 SHA-256: 9fee7ed4936fa72faf4ee1846dbf16cb548507f8e77039265e66097420e80867
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains this URL and appears to be a lure related to a song video. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify, suggesting an attempt to distribute further malicious content or engage in SEO manipulation for malicious purposes. No scripts were extracted from this sample.

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=baharo+phool+barsao+gana+video In PDF document text
    • http://files.aaichstudio.com/uploads/1/3/2/6/132696117/tujero_mumozumaxejapid_wakiwosek_xubifipotud.pdfIn PDF document text
    • http://files.storytimewithteta.ca/uploads/1/3/1/6/131606901/3f72b3d3c.pdfIn PDF document text
    • http://ferotuwav.nicholsworth.net/uploads/1/3/0/7/130740235/b9bad.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6612/0609/files/kexotiwaru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6403/3429/files/97152752997.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2806/0059/files/kujesusopizipuzeteganinup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4726/3128/files/mirae_asset_common_application_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5448/7969/files/takaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9386/9212/files/38071853675.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2820/0096/files/35394296615.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0878/5562/files/moxujawabisoke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6237/0202/files/50270050564.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000672c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x672C 5472 bytes
SHA-256: b69ca66d4c7c2e3863bffbefb74308bfe33e29117bbda36abe6ca160a532962f
font_01_sfnt_off000079bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79BC 14700 bytes
SHA-256: 67ee0fff1ee88cff10eec98586c94aa2e7863717645f12d5119363fc5036e966
font_02_sfnt_off0000a81e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA81E 16204 bytes
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15
font_03_sfnt_off0000bd88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBD88 3616 bytes
SHA-256: 48e474a21f239c4b5e5044f079f77ff0c31ba55506c12bb3c7800160c3876815