Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0b172b99320c5c6…

MALICIOUS

PDF

53.0 KB Created: 2020-08-12 11:52:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ec79463916d958727020210b127bba79 SHA-1: 2f5e3bb70b6b17ae0d03b9c0f12da7c50e3da685 SHA-256: f0b172b99320c5c60bea0f37657e5af2fd0e6e4dae6654eac4f65d4e9c0ecb03
154 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, many pointing to Shopify domains, but the primary malicious link is to 'ttraff.cc'. This URL is identified as a malicious redirector, likely serving as a gateway to further malicious content. The document body, though heavily obfuscated, contains the string 'banking and finance pdf noun' and the malicious URL, suggesting a lure related to financial documents. The presence of a link farm and a malicious redirector indicates an attempt to drive traffic to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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.cc/pify?keyword=banking+and+finance+pdf+noun
    • http://files.jrjcounselling.com/uploads/1/3/1/4/131453198/4847286.pdf
    • http://viruk.fikarisart.com/uploads/1/3/1/1/131164250/povolopuxipen_tovowik_pirifunamexog.pdf
    • http://files.secretlyshabbyonmain.com/uploads/1/3/1/8/131858661/7594211.pdf
    • https://cdn.shopify.com/s/files/1/0432/9160/7190/files/pabazefenemobovozuto.pdf
    • https://cdn.shopify.com/s/files/1/0436/3039/5552/files/exercises_for_herniated_disc_in_lower_back.pdf
    • https://cdn.shopify.com/s/files/1/0435/6620/3029/files/zipijiboxelewibo.pdf
    • https://cdn.shopify.com/s/files/1/0433/1077/6473/files/calendario_mundial_rusia_2020_peru.pdf
    • https://cdn.shopify.com/s/files/1/0437/9561/1805/files/employment_news_23_feb_to_1_march_2020.pdf
    • https://cdn.shopify.com/s/files/1/0440/0565/4678/files/ditetolafepirekit.pdf
    • https://cdn.shopify.com/s/files/1/0429/8535/7463/files/sumuwagadawijunakot.pdf
    • https://cdn.shopify.com/s/files/1/0429/1421/8151/files/54708183397.pdf
    • https://cdn.shopify.com/s/files/1/0440/4844/9701/files/sidasawubirije.pdf
    • https://cdn.shopify.com/s/files/1/0435/1292/2264/files/kejusot.pdf
    • https://cdn.shopify.com/s/files/1/0430/5344/9367/files/7356462697.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006bff.bin
e70a1883c2ae8d284f43f2af7679826c6d5845349edd12cd963d0acb9c18f77d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BFF 4932 bytes
font_01_sfnt_off00007cd1.bin
0753f4fc0312b605820742bd660ddd4c9c4474639fb4a3f377dad128f535a608		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CD1 10952 bytes
font_02_sfnt_off0000a268.bin
4c0a3f0893f5e69c6acf0c6b7f036872587aec6188c41bdd40a009ab43c82216		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA268 16060 bytes
font_03_sfnt_off0000b6f9.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB6F9 4324 bytes

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