PDF malware analysis — malicious · 4289fb068673b4f8

MALICIOUS

PDF

39.8 KB Created: 2020-08-21 17:45:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9a74ad656531389cd8f9112fc86819c3 SHA-1: f6f68adb8179daa8f12d2a22a8e98bd7bb4ab35d SHA-256: 4289fb068673b4f884507716e9a04f13f2a782660aef349fd0792ea4df6a8456

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF contains a high number of external links, many pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure. The document body, though heavily obfuscated, contains text referencing a 'car game app' and the malicious URL, suggesting a lure. The primary malicious URL, https://ttraff.cc/pify?keyword=car+game++app+now, is likely used to redirect the user to a phishing or malware download site.

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=car+game++app+now
- http://files.ozexclusive.com/uploads/1/3/1/3/131380604/6072d48fd41d70.pdf
- http://files.baanekspres1995.com/uploads/1/3/0/9/130969580/3bb5914c4.pdf
- http://files.cryptoinvestmentcalculator.com/uploads/1/3/1/3/131398386/4a2c45a578c32af.pdf
- https://cdn.shopify.com/s/files/1/0432/6414/7609/files/odometer_disclosure_form_texas.pdf
- https://cdn.shopify.com/s/files/1/0428/0126/6851/files/monosalawuzul.pdf
- https://cdn.shopify.com/s/files/1/0435/4070/9527/files/islamic_calendar_2020_free_download.pdf
- https://cdn.shopify.com/s/files/1/0429/2149/2643/files/93912181465.pdf
- https://cdn.shopify.com/s/files/1/0440/4844/9686/files/30684804696.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xaxigeruver.pdf
- https://cdn.shopify.com/s/files/1/0431/3179/7668/files/riragizewitenu.pdf
- https://cdn.shopify.com/s/files/1/0435/3343/5039/files/bro_code_barney_stinson_free.pdf
- https://cdn.shopify.com/s/files/1/0429/4203/8182/files/11019314325.pdf
- https://cdn.shopify.com/s/files/1/0428/1643/8438/files/puvaxorevaveribo.pdf
- https://cdn.shopify.com/s/files/1/0433/8892/8150/files/wakeboard_size_guide.pdf
- https://cdn.shopify.com/s/files/1/0430/8038/4674/files/dadekivagusupis.pdf
- https://cdn.shopify.com/s/files/1/0434/3070/7356/files/46750722407.pdf
- https://cdn.shopify.com/s/files/1/0437/7346/0631/files/rulawokuzitawugowiwi.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_off00005ed6.bin` `248c699c260f5109e3653cc37702bd4197fe7953ff2098a1caeb7373f73fb180`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5ED6	4924 bytes
`font_01_sfnt_off00006f98.bin` `cf54131a5048bea9faa3d7019d6528d4a253d19d6a2bf6f697306a1ae6138d4d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F98	10224 bytes

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