PDF malware analysis — malicious · 8ecf8a070d7eb0c2

MALICIOUS

PDF

37.0 KB Created: 2020-08-10 09:38:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6d36cd7d12fc4fdafa05e12bce33c0a4 SHA-1: 43d61ae9e76f631d0a5cec9e74b21c1ba98382e0 SHA-256: 8ecf8a070d7eb0c283d44d9a0e68e2bbe4b8cf1e8a8fa78e7366d90566d64b35

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded URLs, with one specifically identified as a malicious redirector. The document body, though partially corrupted, includes the text 'Goodbye air supply piano pdf' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of numerous other Shopify links indicates a potential link farm for distributing malicious content.

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=goodbye+air+supply+piano+pdf
- http://files.hedgelandscapedesign.com/uploads/1/3/1/3/131382148/f5a2768c7d.pdf
- http://files.limaresources.com/uploads/1/3/1/0/131071289/butanixopu_rowuxuzageti_danuduru.pdf
- http://files.chrisnorrisart.com/uploads/1/3/1/3/131380138/3b57b547b506.pdf
- http://files.whowardwilliams.com/uploads/1/3/1/1/131164473/91ceabc49ad2fd.pdf
- http://files.youdirtydawgpdx.com/uploads/1/3/1/4/131438571/9370797.pdf
- https://cdn.shopify.com/s/files/1/0434/7245/3797/files/62539182686.pdf
- https://cdn.shopify.com/s/files/1/0434/7301/0845/files/jutuwuxezezabenotozubos.pdf
- https://cdn.shopify.com/s/files/1/0440/7525/3910/files/importance_of_job_evaluation_in_human_resource_management.pdf
- https://cdn.shopify.com/s/files/1/0451/3352/9241/files/kixuvukuwimejizugegajaso.pdf
- https://cdn.shopify.com/s/files/1/0436/8944/3493/files/bible_story_books.pdf
- https://cdn.shopify.com/s/files/1/0428/0408/4899/files/33226858671.pdf
- https://cdn.shopify.com/s/files/1/0432/6395/1003/files/toxofakumesipumilagesi.pdf
- https://cdn.shopify.com/s/files/1/0429/5717/6986/files/pelalisuxigevemafizi.pdf
- https://cdn.shopify.com/s/files/1/0432/1784/6427/files/benson_idahosa_biography.pdf
- https://cdn.shopify.com/s/files/1/0435/8524/1256/files/lapixa.pdf
- https://cdn.shopify.com/s/files/1/0433/8004/8023/files/29014079063.pdf
- https://cdn.shopify.com/s/files/1/0435/4503/4911/files/lawaxiwutezazigunivovel.pdf
- https://cdn.shopify.com/s/files/1/0429/8804/4442/files/lebawekosarabuwopali.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_off000053b1.bin` `9f0798224549327fec8bb97483a9b52dee9714bddac5ce3c6e7cdd933b0a2d31`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x53B1	5308 bytes
`font_01_sfnt_off000065d1.bin` `d14f4065b07a581b56e9c315a2de8a8c8037cc6242891e290a9027782cff73b0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65D1	9764 bytes

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