PDF malware analysis — malicious · 93e28dff7498855b

MALICIOUS

PDF

48.1 KB Created: 2020-08-13 21:16:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8bee03d291279e6d90c47c4d0f8b415c SHA-1: 27588e234de7f622fafeb1ce62ccd5e2c5ca3704 SHA-256: 93e28dff7498855b39dc0d32434bd9917a10a41488dac1f8e651120aff2f67af

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, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.cc/pify?keyword=accounting+audit+report+template', which is presented as an accounting audit report template. This suggests a social engineering attack aimed at tricking users into visiting malicious sites.

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.cc/pify?keyword=accounting+audit+report+template
- http://tetevem.tammybiggsgymnastics.org/uploads/1/3/2/3/132302782/gedapinexu-kofevubo-molisafomuwi-likiv.pdf
- http://files.movehelix.com/uploads/1/3/1/4/131483025/775146619.pdf
- http://files.mtimpactconsulting.com/uploads/1/3/2/7/132740378/gipowananab.pdf
- http://sijavi.dotyhilldesigns.com/uploads/1/3/1/4/131453555/panurixapa.pdf
- https://cdn.shopify.com/s/files/1/0428/8577/5519/files/gegad.pdf
- https://cdn.shopify.com/s/files/1/0434/1055/5041/files/bemonc_manual.pdf
- https://cdn.shopify.com/s/files/1/0441/2735/5032/files/49762481617.pdf
- https://cdn.shopify.com/s/files/1/0435/4772/1892/files/nixiseponupemibitunakukuv.pdf
- https://cdn.shopify.com/s/files/1/0433/9138/5758/files/51042604770.pdf
- https://cdn.shopify.com/s/files/1/0430/3909/6986/files/tugoxowiwikiti.pdf
- https://cdn.shopify.com/s/files/1/0432/3000/3358/files/72344851885.pdf
- https://cdn.shopify.com/s/files/1/0433/3672/8744/files/fulojimiragujugeg.pdf
- https://cdn.shopify.com/s/files/1/0432/1312/7844/files/javascript_hash_function.pdf
- https://cdn.shopify.com/s/files/1/0434/7035/6637/files/34546598323.pdf
- https://cdn.shopify.com/s/files/1/0435/9349/8787/files/warframe_dead_eye.pdf
- https://cdn.shopify.com/s/files/1/0427/7056/3239/files/51873843182.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_off000070b4.bin` `d439c2bdc9a9ca74205c1f069160feabecfc5f234e86422f644d3e9d2d9507f8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70B4	5084 bytes
`font_01_sfnt_off000081d9.bin` `65fdbebb4ba9c0342faec8618f26e2ccb2bd52364a7c2375309a0fd818f3ca78`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81D9	10524 bytes
`font_02_sfnt_off0000a54c.bin` `0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA54C	4324 bytes

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