Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd31e0ee9c3c90b2…

MALICIOUS

PDF

41.1 KB Created: 2020-08-20 21:39:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8d4d770450ea99e67805f34aebc8d552 SHA-1: 6650d3c8c1008cf49ebefca44541e9288a6fbd6d SHA-256: bd31e0ee9c3c90b2bbf7e2b36a9bdabfd46c6b21876b92db570772332364c80c
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify-hosted PDF files, indicating a link farm. One of these links, 'https://ttraff.cc/pify?keyword=law+of+demand+example+yahoo+answers', is identified as a malicious redirector. This suggests the document is designed to lure users to malicious infrastructure, likely for phishing or to download further malware.

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=law+of+demand+example+yahoo+answers
    • http://files.gilltalks.com/uploads/1/3/0/7/130775001/5367065.pdf
    • https://cdn.shopify.com/s/files/1/0429/8807/7209/files/40932453634.pdf
    • https://cdn.shopify.com/s/files/1/0450/4076/3030/files/blocking_queue_implementation_in_java.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13170590630.pdf
    • https://cdn.shopify.com/s/files/1/0461/3655/7736/files/san_joaquin_river_fishing_report.pdf
    • https://cdn.shopify.com/s/files/1/0427/9848/1564/files/list_of_bewitched_episodes.pdf
    • https://cdn.shopify.com/s/files/1/0429/4865/7318/files/jebodofavesewumiw.pdf
    • https://cdn.shopify.com/s/files/1/0428/9318/1081/files/abundance_book_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/1745/3211/files/calendario_2020_republica_dominicana_dias_feriados.pdf
    • https://cdn.shopify.com/s/files/1/0431/9097/6673/files/pdf_to_word_converter_premium_apk_download.pdf
    • https://cdn.shopify.com/s/files/1/0436/0765/4563/files/63826753243.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_off000061d0.bin
dc7c3f47dc4ff25169368cb4a579fa0a27376d4f2ca917b02359aa4a24230554		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61D0 5484 bytes
font_01_sfnt_off0000746f.bin
5334c7d61a1059dab1ddafb42bc045ca3d72fa57c58a6d646877357e17a0e0d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x746F 10352 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.