PDF malware analysis — malicious · 3611060147144f87

MALICIOUS

PDF

43.3 KB Created: 2020-08-17 01:54:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a61197272373d4ed59b105117e740bca SHA-1: a703f2a6872579b1a422bd5b753578d805eca749 SHA-256: 3611060147144f87d2cc363bf92ff27c75277a742b36c98e2a42e5b163088037

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body itself contains obfuscated text and URLs, including a specific redirector URL that appears to be part of a SEO link farm tactic. This suggests the document is designed to drive traffic to malicious sites, likely for phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=consumer+reports+top+washing+machine+2018
- http://files.shannoncousino.com/uploads/1/3/0/8/130813948/0278abf817e.pdf
- http://files.praxismachinecodinglessons.com/uploads/1/3/2/3/132303388/tefuzujorenufo-zedunedov.pdf
- http://files.miam-foundation.org/uploads/1/3/1/4/131438313/67aaa3540.pdf
- http://files.surrenderedtochrist.org/uploads/1/3/2/6/132681656/wulegi.pdf
- http://xivis.camforgetool.com/uploads/1/3/1/6/131637562/c772b01e45.pdf
- https://cdn.shopify.com/s/files/1/0431/0630/4166/files/98969840237.pdf
- https://cdn.shopify.com/s/files/1/0451/4018/1146/files/cute_sad_girl_pic.pdf
- https://cdn.shopify.com/s/files/1/0434/2192/5525/files/gimezopubigidujatadolabi.pdf
- https://cdn.shopify.com/s/files/1/0429/8289/9871/files/29853426403.pdf
- https://cdn.shopify.com/s/files/1/0435/2186/7930/files/business_process_management_deployment_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/75996315003.pdf
- https://cdn.shopify.com/s/files/1/0434/5482/4598/files/bingo_chart.pdf
- https://cdn.shopify.com/s/files/1/0431/4297/1553/files/sugaribano.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23631451812.pdf
- https://cdn.shopify.com/s/files/1/0438/2123/6386/files/92422949755.pdf
- https://cdn.shopify.com/s/files/1/0429/2860/3295/files/sawugeju.pdf
- https://cdn.shopify.com/s/files/1/0437/7329/6801/files/wifuzix.pdf
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/ritemejuriguwefuwabogap.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_off00006c9d.bin` `3d5fcd71c61f26fa1cd025970f150ff2c605e9b7b9775f12871e052fb24b7d35`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C9D	5832 bytes
`font_01_sfnt_off0000805c.bin` `1d0b7b7b36bdf698b38f0045688b68b41cb3367a75fb8903a628cec06ed7c8ee`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x805C	9348 bytes

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