PDF malware analysis — malicious · 95aafecb28215a88

MALICIOUS

PDF

57.0 KB Created: 2020-07-29 01:55:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bdc8439423b08a039d0c19c56f2e9252 SHA-1: 0cc29a8006eaf85295b019f91cb5996606c9e085 SHA-256: 95aafecb28215a88ce484a36251089011cb449e30faf5719071c3583f6f24299

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 external PDF files hosted on various domains, including a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The primary attack vector appears to be a link farm designed to redirect users to malicious content, potentially for phishing or malware delivery.

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=bat+girl+mask+template
- http://files.sunleyphotography.com/uploads/1/3/1/4/131438477/2348589.pdf
- http://files.greenadaptations.net/uploads/1/3/1/6/131606490/9745017.pdf
- http://files.morganmanella.com/uploads/1/3/2/6/132682295/8299804.pdf
- http://files.imagesbyk.com/uploads/1/3/1/4/131455198/telademubakedijezik.pdf
- http://files.impactaquariums.com/uploads/1/3/0/7/130738568/zitemak.pdf
- https://cdn.shopify.com/s/files/1/0429/6749/8911/files/walijozutef.pdf
- https://cdn.shopify.com/s/files/1/0428/9812/9059/files/vitisobavex.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nalekubaserigudopen.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rixaraxamixenapo.pdf
- https://cdn.shopify.com/s/files/1/0429/4115/3439/files/46930509940.pdf
- https://cdn.shopify.com/s/files/1/0432/0467/3697/files/loveguvetivu.pdf
- https://cdn.shopify.com/s/files/1/0435/1436/4059/files/ritofutodolebunuxopuro.pdf
- https://cdn.shopify.com/s/files/1/0432/5838/0450/files/fawemexela.pdf
- https://cdn.shopify.com/s/files/1/0429/8211/3433/files/50862180091.pdf
- https://cdn.shopify.com/s/files/1/0430/4742/0066/files/dowigigusowusiwejaweli.pdf
- https://cdn.shopify.com/s/files/1/0428/9658/8967/files/pexakogezajakexe.pdf
- https://cdn.shopify.com/s/files/1/0431/1567/5809/files/tugevutekolenabusu.pdf
- https://cdn.shopify.com/s/files/1/0427/7560/9510/files/fetozixodapu.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/
- https://cdn.shopify.com/s/files/1/0429/4115/3439/files/46930509940.pd

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000a209.bin` `ded0f8892ef1e9418557412d8b4e466e11cb95b9b5b17008b9c452ffdc507787`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA209	4824 bytes
`font_01_sfnt_off0000b273.bin` `ef6d95ca9d53b9b85e9126dd397b4d795f4a4753576ac00f3e912588a1c6f2ba`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB273	10604 bytes

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