Malicious PDF — malware analysis report

Static analysis result for SHA-256 30f8e46ba1c4f16a…

MALICIOUS

PDF

39.6 KB Created: 2020-08-16 22:05:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5519f4e0f09df790668bd2851edcc6d3 SHA-1: 5adcbd2d9134a483ea673bb2a3176612964a2235 SHA-256: 30f8e46ba1c4f16ab7c712a94f550cb68906d4f2c08003be539338c2a24ce4ce
120 Risk Score

Malware Insights

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

The PDF contains a link farm designed to improve search engine rankings, with one critical link pointing to a known malicious redirector. The document body, though partially corrupted, contains text related to downloading software, reinforcing the malicious intent. The primary malicious URL is https://ttraff.cc/pify?keyword=descargar+broken+age+android+apk+espa%25C3%25B1ol, which likely serves as a lure for further malicious activity.

Heuristics 3

  • 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.
  • 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.cc/pify?keyword=descargar+broken+age+android+apk+espa%25C3%25B1ol
    • http://files.hallenelaw.com/uploads/1/3/0/8/130815009/4d0e33786d.pdf
    • http://files.tianabridalcollections.com/uploads/1/3/1/6/131636807/tasovoxa_bowudumo_waxubobadunawip_derasukepa.pdf
    • http://files.breneman.club/uploads/1/3/1/0/131070434/3322815.pdf
    • http://files.completecarechiropractictables.com.au/uploads/1/3/0/8/130813846/d28db63209202e8.pdf
    • http://files.dentalequipmentonlinestore.com/uploads/1/3/0/9/130969974/depufirad-vakotazaji.pdf
    • https://cdn.shopify.com/s/files/1/0437/6897/1421/files/90747660446.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/garul.pdf
    • https://cdn.shopify.com/s/files/1/0433/5638/9528/files/small_story.pdf
    • https://cdn.shopify.com/s/files/1/0428/5346/6271/files/47758576570.pdf
    • https://cdn.shopify.com/s/files/1/0434/8100/6244/files/91462448076.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nunirisolifugonogebivaxez.pdf
    • https://cdn.shopify.com/s/files/1/0431/3346/8839/files/16733809060.pdf
    • https://cdn.shopify.com/s/files/1/0440/8298/7158/files/593_country_code.pdf
    • https://cdn.shopify.com/s/files/1/0437/6369/5770/files/58935813427.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zafon.pdf
    • https://cdn.shopify.com/s/files/1/0429/8421/0583/files/89131254703.pdf
    • https://cdn.shopify.com/s/files/1/0428/9839/1196/files/aprende_ya_a_tocar_guitarra.pdf
    • https://cdn.shopify.com/s/files/1/0432/4012/8671/files/45438637029.pdf
    • https://cdn.shopify.com/s/files/1/0434/6308/2146/files/ceiba_pentandra.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xumilegimazuguvabunozanik.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000598c.bin
a852d004be03ade043f35b657a5a7ebfdc638960c7b4d4182ad6d0ba076f5341
pdf-font-stream PDF embedded font (sfnt) at offset 0x598C 5656 bytes
font_01_sfnt_off00006c8a.bin
d67183cb011cfaead406a9520cf8e43501ebeef421fa09cf66d4c980416a8c20
pdf-font-stream PDF embedded font (sfnt) at offset 0x6C8A 10024 bytes