Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a3e68674cd3c7bb…

MALICIOUS

PDF

49.0 KB Created: 2020-08-10 12:57:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66212d65ccde4125f2aa077f6b2ce73a SHA-1: ffb0df090980fcf756398f359e776e68f9da63b2 SHA-256: 8a3e68674cd3c7bbe3752061922fae672be68fca80006db76dbc962887c4f841
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL and numerous other links to external PDFs hosted on shopify.com, indicating a link farm strategy. The primary intent appears to be redirecting the user to malicious infrastructure under the guise of an aptitude test.

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.com/pify?keyword=%25E0%25B8%2582%25E0%25B9%2589%25E0%25B8%25AD%25E0%25B8%25AA%25E0%25B8%25AD%25E0%25B8%259A+aptitude+test+pdf
    • http://files.cancercantkilllove.com/uploads/1/3/0/7/130738652/nifobatuju-furoke.pdf
    • http://files.tanyacollier.com/uploads/1/3/0/7/130775980/8089867.pdf
    • http://files.ekilmp.com/uploads/1/3/2/6/132696210/gixurige.pdf
    • http://files.thecathedral.us/uploads/1/3/2/8/132815220/2816990.pdf
    • https://cdn.shopify.com/s/files/1/0435/6354/8833/files/vanem.pdf
    • https://cdn.shopify.com/s/files/1/0431/0925/3286/files/48814860117.pdf
    • https://cdn.shopify.com/s/files/1/0439/3045/2123/files/auto_mechanics_for_dummies.pdf
    • https://cdn.shopify.com/s/files/1/0431/0673/0144/files/5402439697.pdf
    • https://cdn.shopify.com/s/files/1/0433/0671/3253/files/36979481216.pdf
    • https://cdn.shopify.com/s/files/1/0427/7927/9527/files/zedabuxozusavudoxa.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62894204366.pdf
    • https://cdn.shopify.com/s/files/1/0431/9127/1586/files/xisozetonivo.pdf
    • https://cdn.shopify.com/s/files/1/0432/0080/7074/files/52547741589.pdf
    • https://cdn.shopify.com/s/files/1/0434/6370/4729/files/retire_early_with_real_estate_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/7813/1611/files/wotesevizebadorabawajikil.pdf
    • https://cdn.shopify.com/s/files/1/0436/2059/7923/files/wukojeforidipazaxovosej.pdf
    • https://cdn.shopify.com/s/files/1/0434/5082/6905/files/mekanisme_terjadinya_pingsan.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_off000057f1.bin
0daaef819f02dd1040b6f1ebcd179fd15f8d9823bca3869776ceb852c6bc0c1e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57F1 4812 bytes
font_01_sfnt_off0000685f.bin
4496c7ba22ff534d6d3eef721fe07f54681c2f75ea669fa3c57c1979068eb6db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x685F 6632 bytes
font_02_sfnt_off000079ba.bin
c9ff7d172f26ecea76ca7cf745211b16de736d885e69d2dbf66c475ae20491d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79BA 8800 bytes
font_03_sfnt_off000091e5.bin
2f60974e369031446a9dfcf8bc5d107b83c3da3e9a407b7de0c8a46e7998c422		 pdf-font-stream PDF embedded font (sfnt) at offset 0x91E5 10144 bytes

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