Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce70fbf14cd96e89…

MALICIOUS

PDF

47.7 KB Created: 2020-07-23 04:04:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: af560d264884f158aeee545feec47bd9 SHA-1: 10b41202f624b041829759425827b9684addbb81 SHA-256: ce70fbf14cd96e8941cbaca9034faa4ee2a6f824f932532e7a6c9ac748da10d4
150 Risk Score

Malware Insights

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

The PDF file was flagged as malicious due to embedded links pointing to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.com/wb?keyword=history%20of%20ghana%20empire%20pdf. The document body appears to be corrupted or heavily obfuscated, preventing a clear understanding of its intended lure. However, the presence of a malicious redirector strongly suggests a phishing or malware distribution attempt.

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.com/wb?keyword=history%20of%20ghana%20empire%20pdf
    • http://files.yukigoodman.com/uploads/1/3/0/7/130775645/5632163.pdf
    • http://files.hunterandersonrichmond.com/uploads/1/3/1/3/131379118/fefav.pdf
    • http://files.spicetradesg.com/uploads/1/3/1/8/131857305/3518524.pdf
    • https://cdn.shopify.com/s/files/1/0431/8042/5370/files/47923412161.pdf
    • https://cdn.shopify.com/s/files/1/0435/3445/0840/files/35239766052.pdf
    • https://cdn.shopify.com/s/files/1/0432/8642/9861/files/pikopagakem.pdf
    • https://cdn.shopify.com/s/files/1/0433/0097/8853/files/69421116149.pdf
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/92459873642.pdf
    • https://zopowozofoje.files.wordpress.com/2020/06/voviwikixorukibabusosomo.pdf
    • https://tapizoluzed454878337.files.wordpress.com/2020/06/3073431397.pdf
    • https://ximufilukub.files.wordpress.com/2020/07/xitozix.pdf
    • https://verakiwij.files.wordpress.com/2020/06/90151539163.pdf
    • https://morixumudiba.files.wordpress.com/2020/06/divilikogot.pdf
    • https://cdn.shopify.com/s/files/1/0431/7344/5792/files/70417193487.pdf
    • https://cdn.shopify.com/s/files/1/0431/4939/4080/files/10746052431.pdf
    • https://cdn.shopify.com/s/files/1/0431/9775/9643/files/balifizojevenadajun.pdf
    • https://cdn.shopify.com/s/files/1/0434/6635/8934/files/1675326456.pdf
    • https://cdn.shopify.com/s/files/1/0430/5072/9634/files/taxexezoxu.pdf
    • https://cdn.shopify.com/s/files/1/0428/1024/5279/files/gazefezumatemiwepudatun.pdf
    • https://cdn.shopify.com/s/files/1/0434/0118/3384/files/16135209895.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bisadugizutojaririxenudep.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/
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/92459873642.p

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007dd5.bin
9daf2786eb3117c817768e5b0a741b6b37bd5be81f167e4fe43745ab8daf8e28
pdf-font-stream PDF embedded font (sfnt) at offset 0x7DD5 5276 bytes
font_01_sfnt_off00008f94.bin
1d2aaa0f9555dcb45481e3d224463074c9a0f763dda3d530abaf248e3356852b
pdf-font-stream PDF embedded font (sfnt) at offset 0x8F94 9888 bytes