Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ea8ec889efc07f4…

MALICIOUS

PDF

44.8 KB Created: 2020-08-20 07:27:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0d1abd5f76c0dd48beb61b8336a7783c SHA-1: 17a5154246669f6a29f028b4d2721d0cc345017e SHA-256: 3ea8ec889efc07f436bcad8cf84395a982c7a364cab9165bb3ed9e4e664b79c7
234 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=font+iciel+bambola'. Additionally, it exhibits a PDF link farm with numerous links hosted on cdn.shopify.com, suggesting an attempt to distribute malicious content or engage in SEO manipulation for malicious purposes. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic indicates the document instructs the user to interact with the clipboard in a way that could lead to command execution, further supporting a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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=font+iciel+bambola In PDF document text
    • http://files.johnwilliamsartgallery.com/uploads/1/3/1/4/131453252/fivilijudu-maxuxezukiki.pdfIn PDF document text
    • http://files.bayjedesigns.com/uploads/1/3/1/3/131379833/zexirokimipu.pdfIn PDF document text
    • http://tubok.rosemarygallagher.com/uploads/1/3/0/8/130814328/lokabupaw.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/1/0429/8699/5863/files/tezugasumajulufuvusanaso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3037/1739/files/ap_calculus_textbook_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2969/9482/files/sample_annotated_bibliography_apa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1506/1153/files/vovogiwosuvamazapejub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7967/7590/files/counter_strike_2._6_free_full_version.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3876/8294/files/tuwax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0459/9529/4887/files/85420621105.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6127/0935/files/couper_un_adobe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6084/7004/files/print_linked_list_in_reverse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0935/1578/files/49897608195.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1330/0647/files/jotakavij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3037/1738/files/ponetuso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6799/8362/files/puparudixevabefula.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_off00006290.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6290 4764 bytes
SHA-256: 3883ca53e6e342e3e87335514d385d79a55200bfb00219146fa06182fec23c76
font_01_sfnt_off000072b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72B2 18896 bytes
SHA-256: 0c7312a332ab97a72ececaea03256833831e671d723d4fa612e4bdd7cc0cb453