PDF malware analysis — malicious · 54de913c015b6633

MALICIOUS

PDF

101.7 KB Created: 2020-07-28 02:42:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5c986094285e28c6c6677bec3d1cd49f SHA-1: 4b21c48297b1ba9a7f32f067e84efeee04433dc1 SHA-256: 54de913c015b6633238c4a274384696426fd60e92118aaa5eccbf4f26b7cae37

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, a technique often used in SEO link farms to artificially boost search engine rankings or to distribute malicious content. One of the embedded URLs, 'https://ttraff.ru/wb?keyword=septuagint%20bible%20pdf', is flagged as a malicious redirector. This suggests the document's primary purpose is to lure users to malicious sites, potentially for phishing or malware downloads.

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.ru/wb?keyword=septuagint%20bible%20pdf
- http://files.gordongreggphotography.com/uploads/1/3/0/8/130814121/e83eb247bd970b.pdf
- http://files.princessmi.com/uploads/1/3/0/8/130874102/2238965.pdf
- http://files.lauracarson.net/uploads/1/3/0/7/130775393/5772275.pdf
- http://files.burtenglish.com/uploads/1/3/2/7/132740408/juvevupuges-zememetemajurel-ditemexowabe-wilabebuzaduv.pdf
- http://files.jesta-designs.com/uploads/1/3/1/6/131636737/0a6d257415265.pdf
- https://cdn.shopify.com/s/files/1/0437/6412/1752/files/41002000187.pdf
- https://cdn.shopify.com/s/files/1/0433/7198/7098/files/lasirizavovopufuga.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/9284441163.pdf?v=1594212706
- https://cdn.shopify.com/s/files/1/0433/8991/1194/files/gijazekosezipitowofow.pdf
- https://cdn.shopify.com/s/files/1/0432/3128/1312/files/27348603361.pdf
- https://cdn.shopify.com/s/files/1/0437/3112/4385/files/nagojalonok.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83759083977.pdf
- https://cdn.shopify.com/s/files/1/0434/0757/3149/files/fowevasagowalizunologulex.pdf
- https://cdn.shopify.com/s/files/1/0437/3384/4119/files/52386449663.pdf
- https://cdn.shopify.com/s/files/1/0433/9014/0581/files/36481553984.pdf
- https://cdn.shopify.com/s/files/1/0430/8028/6372/files/63494100532.pdf
- https://cdn.shopify.com/s/files/1/0429/2447/4531/files/nofeluwe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/21533622499.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00012b28.bin` `02828bbeb3e2e30faf364605b359cf02ac03e59a206ae7f10d6dccb73682d34c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12B28	4948 bytes
`font_01_sfnt_off00013c0a.bin` `5a439bfb5bc12b4945637c11111d99ec44ff260c1902980b38e3bc58ea4a5191`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13C0A	29732 bytes

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