Malicious PDF — malware analysis report

Static analysis result for SHA-256 46a0bed129e88709…

MALICIOUS

PDF

40.9 KB Created: 2020-08-24 09:42:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6bcc1841fe5f509e7f3207b8ac2402e5 SHA-1: 035661ed3041fc955d87e170bd7c9b1ca1fa3a88 SHA-256: 46a0bed129e8870971e1e476a087fb1deb77e28c68bd7bfa47a5c9b26d7febce
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=safe+drive+save+life+report+in+english'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. Additionally, the PDF was flagged for containing a link farm, suggesting an attempt to manipulate search engine results or distribute content broadly. The document body, though heavily obfuscated, contains the same suspicious URL and other benign-looking PDF links, reinforcing the lure.

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=safe+drive+save+life+report+in+english
    • http://ruromanu.lakewoodtravelinc.com/uploads/1/3/1/4/131438233/mopil-rubilipitowo-vukamejo-zidujof.pdf
    • http://files.gandaconsultinggroup.com/uploads/1/3/0/7/130776273/zudimem_pujizefux.pdf
    • https://cdn.shopify.com/s/files/1/0435/4002/1407/files/learning_by_doing_richmond.pdf
    • https://cdn.shopify.com/s/files/1/0434/8359/4917/files/23376592324.pdf
    • https://cdn.shopify.com/s/files/1/0430/0508/3811/files/pupujoperefovogarumixi.pdf
    • https://cdn.shopify.com/s/files/1/0437/2555/3815/files/xosisewusapuwabaruragozo.pdf
    • https://cdn.shopify.com/s/files/1/0435/9097/5647/files/69098819965.pdf
    • https://cdn.shopify.com/s/files/1/0433/7218/3703/files/36880595174.pdf
    • https://cdn.shopify.com/s/files/1/0431/7449/4369/files/lerim.pdf
    • https://cdn.shopify.com/s/files/1/0433/0287/9387/files/worksheet_works_geography_of_china.pdf
    • https://cdn.shopify.com/s/files/1/0430/2284/4067/files/princeton_reverb_reissue.pdf
    • https://cdn.shopify.com/s/files/1/0434/4076/7132/files/height_weight_bmi_chart.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_off0000616f.bin
7f5b41f794e8551522fa777fdef5804fd4d656e64d1c06fa5616070baab3575b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x616F 5468 bytes
font_01_sfnt_off000073ff.bin
1853dc9cdfcd841eb6d2902a7afdc543b08400916bcf2e4ef64b7c0e21ef3828		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73FF 10304 bytes

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