PDF malware analysis — malicious · 2b38c0ab39d4212d

MALICIOUS

PDF

50.7 KB Created: 2020-07-31 09:12:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 429eb5a573308afe543765d1b3cd8fb1 SHA-1: d02d6dfe7253d416e7f744ab7fdb9f75bddb5056 SHA-256: 2b38c0ab39d4212d46506d8e7ddfa4cdaff2bca4a892e2363d23072362e2b0d7

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be related to the linked content. The presence of numerous external PDF links suggests a link farm or redirection strategy to obscure the final malicious destination. No scripts were extracted, limiting the analysis of direct payload execution.

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=amasijos+colombianos+pdf
- http://files.therapeutic-alliance.org/uploads/1/3/0/7/130740521/b65167e693.pdf
- http://files.tallinkhotelscup.com/uploads/1/3/0/7/130775784/ba0c9e2f.pdf
- http://files.writing4him2.com/uploads/1/3/2/3/132303310/6af9d.pdf
- https://cdn.shopify.com/s/files/1/0432/8924/7894/files/tenasorosegonojerivo.pdf
- https://cdn.shopify.com/s/files/1/0431/4903/3627/files/57722723996.pdf
- https://cdn.shopify.com/s/files/1/0432/5598/8374/files/25205413033.pdf
- https://cdn.shopify.com/s/files/1/0437/1100/4821/files/72103531678.pdf
- https://cdn.shopify.com/s/files/1/0435/1026/8064/files/wusizavoromuxu.pdf
- https://cdn.shopify.com/s/files/1/0433/1828/0357/files/93586293676.pdf
- https://cdn.shopify.com/s/files/1/0431/0741/8273/files/11841696243.pdf
- https://cdn.shopify.com/s/files/1/0433/9299/1399/files/dovodotatufa.pdf
- https://cdn.shopify.com/s/files/1/0430/0052/9049/files/28074569824.pdf
- https://cdn.shopify.com/s/files/1/0434/0183/8744/files/79668823780.pdf
- https://cdn.shopify.com/s/files/1/0430/8015/5290/files/mebugumumopope.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bararilisubolubudikolumo.pdf
- https://cdn.shopify.com/s/files/1/0436/4081/5774/files/kitimen.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/1/0437/1100/4821/files/7210

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007086.bin` `61696aefb61a3549011f6f48660c62fda7a354821b0eceed36c39f81b15fd8a0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7086	5000 bytes
`font_01_sfnt_off00008151.bin` `f5d042004c887fb364513fc4a56806ff3b81f3a49028b6384e0884cc2db38b7e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8151	11228 bytes
`font_02_sfnt_off0000a60b.bin` `94d3cb1cb955e79326becda893dbc28162358a0598f3d436d9ab749bffec2032`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA60B	16392 bytes

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