Malicious PDF — malware analysis report

Static analysis result for SHA-256 d483f06b654889b9…

MALICIOUS

PDF

46.4 KB Created: 2020-08-08 13:55:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: bf557aadd80744db3e3ed6d268420375 SHA-1: 78b5eac16b0f05b7809306d8aa8053a62a9b40ea SHA-256: d483f06b654889b9eb05e1fd161fc85bf681d7968084c77c6a45ab8f6fc817bb
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in Systems T1059.001 PowerShell

The PDF contains numerous links, including one to a known malicious redirector at 'https://ttraff.cc/pify?keyword=les+causes+des+catastrophes+naturelles+pdf'. This indicates a social engineering attempt to trick users into visiting a malicious site, likely for credential harvesting or malware delivery. The presence of many Shopify-hosted PDF links suggests a link farm for SEO poisoning or to obscure the final malicious destination.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=les+causes+des+catastrophes+naturelles+pdf
    • http://files.nemslax.com/uploads/1/3/0/8/130874627/5339460.pdf
    • http://files.thinnerstrongerhappier.com/uploads/1/3/1/8/131856602/dizeroxa_sisalada_xifoxuzire.pdf
    • http://files.iwanderwhy.net/uploads/1/3/1/4/131407353/zedigitudunuzupop.pdf
    • https://cdn.shopify.com/s/files/1/0432/4681/3344/files/lajudumuw.pdf
    • https://cdn.shopify.com/s/files/1/0431/7852/4831/files/merenapizipafifo.pdf
    • https://cdn.shopify.com/s/files/1/0430/3300/2145/files/dufik.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37263727017.pdf
    • https://cdn.shopify.com/s/files/1/0435/7675/4344/files/pomesetarufus.pdf
    • https://cdn.shopify.com/s/files/1/0436/4576/3744/files/35604677185.pdf
    • https://cdn.shopify.com/s/files/1/0432/6604/8165/files/12608127067.pdf
    • https://cdn.shopify.com/s/files/1/0432/6440/9764/files/23345770202.pdf
    • https://cdn.shopify.com/s/files/1/0434/0737/6542/files/gramatyka_angielska_dla_dzieci_chomikuj.pdf
    • https://cdn.shopify.com/s/files/1/0434/5010/6018/files/50565342344.pdf
    • https://cdn.shopify.com/s/files/1/0439/0594/1672/files/46486605510.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/95181885481.pdf
    • https://cdn.shopify.com/s/files/1/0432/2122/1539/files/neural_network_backward_propagation.pdf
    • https://cdn.shopify.com/s/files/1/0431/3631/9639/files/41068748006.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006618.bin
0d5b5770ae234ceb722a99d82e84161f360fc5effd96d04db9c42eb8e2d63e0c
pdf-font-stream PDF embedded font (sfnt) at offset 0x6618 5016 bytes
font_01_sfnt_off00007719.bin
a3209647f49d25774ad731e7ace6af1ed17d994a4751ae84a02137bc80611ed6
pdf-font-stream PDF embedded font (sfnt) at offset 0x7719 11856 bytes
font_02_sfnt_off00009c79.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2
pdf-font-stream PDF embedded font (sfnt) at offset 0x9C79 4324 bytes