PDF malware analysis — malicious · 22f8036b082f58b4

MALICIOUS

PDF

60.5 KB Created: 2020-08-03 13:05:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5f8841e70bc5d78fc3221b0e644ba516 SHA-1: 27d873a9e9527f01a0a9918295f7c88b5aed04c3 SHA-256: 22f8036b082f58b4b7db5afbc540697abf41e61670dad41a39cd3ad1b49c6617

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=mekanisme+anti+jamur+pdf'. This URL is embedded within the document body, disguised as content related to 'mekanisme anti jamur pdf'. The PDF also exhibits characteristics of a link farm, with numerous external links, many pointing to Shopify-hosted PDFs. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to a phishing or scam site.

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=mekanisme+anti+jamur+pdf
- http://files.vahana.ca/uploads/1/3/1/6/131637374/4f7b54e4319be.pdf
- http://files.18crossroad.net/uploads/1/3/1/4/131406430/siwufabe.pdf
- http://files.walkamilebrainerdbaxter.com/uploads/1/3/2/6/132682813/rojivolep_vapudofezokem.pdf
- https://cdn.shopify.com/s/files/1/0430/8077/7882/files/41203865231.pdf
- https://cdn.shopify.com/s/files/1/0428/9318/1087/files/51780107009.pdf
- https://cdn.shopify.com/s/files/1/0430/6193/6285/files/gesan.pdf
- https://cdn.shopify.com/s/files/1/0431/8402/9854/files/31921263350.pdf
- https://cdn.shopify.com/s/files/1/0429/6287/8618/files/bejemevuronifob.pdf
- https://cdn.shopify.com/s/files/1/0434/4718/9670/files/kidadaledetaxiso.pdf
- https://cdn.shopify.com/s/files/1/0429/3296/1443/files/88038414675.pdf
- https://cdn.shopify.com/s/files/1/0431/1918/1978/files/55192132236.pdf
- https://cdn.shopify.com/s/files/1/0433/1687/1333/files/velemokim.pdf
- https://cdn.shopify.com/s/files/1/0431/5296/5789/files/67759936507.pdf
- https://cdn.shopify.com/s/files/1/0434/6678/4932/files/sekegogujixabajo.pdf
- https://cdn.shopify.com/s/files/1/0430/1327/5811/files/razusifulemujuneg.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kofuf.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_off00009974.bin` `f9f35c0a973724a810add1b71a6263d18d775e1364b8bdb5dd1559189d88ecc3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9974	5072 bytes
`font_01_sfnt_off0000aa98.bin` `2cf561c56abfa7a41bac81bfe8dd54d430a0753afe59b42171a232241377fdff`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAA98	13980 bytes
`font_02_sfnt_off0000d6d3.bin` `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD6D3	4324 bytes

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