Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa336aa6222b6f29…

MALICIOUS

PDF

40.2 KB Created: 2020-09-02 21:48:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 96c911fdb24ebc7020c165bbe4de96a1 SHA-1: cdc626307eac42ec192018f61b280eb3474f26c5 SHA-256: fa336aa6222b6f29286c3c972f0076fc4f77014b9ccb8d0200074afb11de6563
128 Risk Score

Malware Insights

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

The PDF file contains embedded links, one of which is identified as a malicious redirector. The document body, though partially corrupted, contains text related to 'free minimalist google slides templates' and a URL that appears to be part of a SEO link farm. This suggests a social engineering attempt to trick users into visiting a malicious site, likely for further exploitation or malware delivery.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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.me/wix?keyword=free+minimalist+google+slides+templates
    • https://cdn.shopify.com/s/files/1/0427/9782/6207/files/jesonugakosigikaremaro.pdf
    • https://cdn.shopify.com/s/files/1/0429/8070/4405/files/95757673007.pdf
    • https://cdn.shopify.com/s/files/1/0431/0335/5034/files/42nd_amendment_act.pdf
    • https://cdn.shopify.com/s/files/1/0433/9938/1157/files/80581730292.pdf
    • https://cdn.shopify.com/s/files/1/0465/4366/7350/files/combination_syndrome.pdf
    • https://cdn.shopify.com/s/files/1/0429/0599/3375/files/call_of_duty_mobile_for_android.pdf
    • https://static.usrfiles.com/ugd/9a242c_19b2c4f3528244e599c6eeed33649563.pdf
    • https://static.usrfiles.com/ugd/d55797_c1ce244d373b44b7be1e59e864c1d10a.pdf
    • https://static.usrfiles.com/ugd/565485_e23d8519e61142d6bb88a4edffde0a26.pdf
    • https://static.usrfiles.com/ugd/c63dba_c4ef99cfaa95427ca7192f6c097bd020.pdf
    • https://static.usrfiles.com/ugd/b8c837_1797a17a8321472e953d95c1a1e07588.pdf
    • https://static.usrfiles.com/ugd/79e0dc_261f78f06dc34eaf8d8916d5b2689d0f.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_off0000601f.bin
d98770de2d96548c2984352ef249d49e24a40a4dddc03f2572f6826423d210b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x601F 5236 bytes
font_01_sfnt_off000071d1.bin
a9166429bce36278df7aba62bc66ce0d81f3ba06b80c4d7e6f2d498a81cf789a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71D1 10120 bytes

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