PDF malware analysis — malicious · 9db63bbe830f97a8

MALICIOUS

PDF

47.6 KB Created: 2020-08-04 10:39:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4519a0ebcc8ee31711ce2b87511ddfc8 SHA-1: 8de6ae0edef4f9a135e17358dcdfc4b8dd74561f SHA-256: 9db63bbe830f97a8e859f8543831ed5fa38ce75b4ecb2e91a94f380752ec8b7b

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link farm and a malicious redirector URL, indicating an attempt to drive traffic to malicious sites. The document body text, though partially corrupted, includes the search query 'Bharathiyar songs with meanings in tamil pdf', suggesting a lure to attract users searching for specific content. The presence of numerous external PDF links, many hosted on Shopify, further supports the SEO-based lure tactic.

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=bharathiyar+songs+with+meanings+in+tamil+pdf
- http://files.frontierresort.net/uploads/1/3/0/8/130815381/0c97178.pdf
- http://files.parallaxphotographyrs.com/uploads/1/3/0/7/130775831/pimaresekefeveg_nezurupubo_gurituvizepa.pdf
- http://files.neebz.net/uploads/1/3/0/9/130969003/3413118.pdf
- http://files.metermixdispense.com/uploads/1/3/2/3/132303219/5253546.pdf
- http://files.aspectsmediaimaging.com/uploads/1/3/1/4/131453633/xeladipasefeku.pdf
- https://cdn.shopify.com/s/files/1/0430/6314/8706/files/89792520286.pdf
- https://cdn.shopify.com/s/files/1/0437/0300/9430/files/15911928077.pdf
- https://cdn.shopify.com/s/files/1/0430/9811/2167/files/jibedap.pdf
- https://cdn.shopify.com/s/files/1/0434/2641/4749/files/33679956390.pdf
- https://cdn.shopify.com/s/files/1/0434/1887/8114/files/71344413367.pdf
- https://cdn.shopify.com/s/files/1/0432/9163/9974/files/govolotiresera.pdf
- https://cdn.shopify.com/s/files/1/0440/7531/9448/files/87170279371.pdf
- https://cdn.shopify.com/s/files/1/0430/6275/5490/files/vorebaraminizevu.pdf
- https://cdn.shopify.com/s/files/1/0429/4026/8711/files/76029145068.pdf
- https://cdn.shopify.com/s/files/1/0431/0604/2023/files/lususibumileriwan.pdf
- https://cdn.shopify.com/s/files/1/0433/2768/4760/files/90329172296.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005de8.bin` `c408e5d2bb80ed7b4c8265ed3ab9728710e5296ed8dadc3536a06533f63faa5a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DE8	5700 bytes
`font_01_sfnt_off0000713b.bin` `d65dc01e2616ee70987015193f0e367d62bff01a2df47f9002b73f6b86cd0d4d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x713B	11172 bytes
`font_02_sfnt_off00008e58.bin` `f36f8d0d937425a71a2604b1711cce923b061db63ff3c933e18d1a05bafe2b8d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E58	9960 bytes

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