PDF malware analysis — malicious · 407b65cc12dd71d7

MALICIOUS

PDF

43.5 KB Created: 2020-08-05 23:00:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0219d930809894712988db4481ed65a0 SHA-1: b73c9e7fa929ef4aae6da0f4017098e142035076 SHA-256: 407b65cc12dd71d7842dfdec0beae98e82f0efd5bcc8eeb1b599e7a81a8fcf80

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.cc/pify?keyword=sloping+agricultural+land+technology+pdf, which is likely used to redirect the user to a malicious site. The document body, though heavily obfuscated, contains references to the same URLs, reinforcing the malicious intent. No scripts were extracted, but the PDF structure itself is used for the malicious redirection.

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=sloping+agricultural+land+technology+pdf
- http://files.oaroutdoor.com/uploads/1/3/2/6/132695714/wuwix-nidodasamud.pdf
- http://files.jmn-i.com/uploads/1/3/0/8/130814642/badegumun-vafadivo.pdf
- http://files.vapeboss.shop/uploads/1/3/1/6/131637362/473272.pdf
- http://files.flancmanfrisch.com/uploads/1/3/1/8/131871414/widapabidazuz-vulomal-pepap.pdf
- http://files.wingsofhopemankato.com/uploads/1/3/1/8/131871642/67edb0e.pdf
- https://cdn.shopify.com/s/files/1/0433/0009/4112/files/bojagigegibirunuzor.pdf
- https://cdn.shopify.com/s/files/1/0431/8271/9136/files/43426658106.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xamunodobesezuwenetubaf.pdf
- https://cdn.shopify.com/s/files/1/0433/8669/9925/files/74151294806.pdf
- https://cdn.shopify.com/s/files/1/0438/5754/3328/files/nukofewatinetudawuga.pdf
- https://cdn.shopify.com/s/files/1/0432/2859/4344/files/gosopu.pdf
- https://cdn.shopify.com/s/files/1/0437/0412/3557/files/atls_american_college_of_surgeons.pdf
- https://cdn.shopify.com/s/files/1/0431/3825/2957/files/buxigabewu.pdf
- https://cdn.shopify.com/s/files/1/0437/5409/4753/files/portugal_language.pdf
- https://cdn.shopify.com/s/files/1/0433/8915/7532/files/78496516667.pdf
- https://cdn.shopify.com/s/files/1/0431/6354/9847/files/jajimafegipaziwa.pdf
- https://cdn.shopify.com/s/files/1/0434/4525/6352/files/83950094723.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_off00006b95.bin` `41aba3c8c91b6ac2d1b191ac9fc47aeaa37e8f94d0c813eab70c2d4ae5b2303f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B95	5444 bytes
`font_01_sfnt_off00007e1e.bin` `bf1391d80f1ff62c9225d697c66c1044af5ebd5351f3c203e7e43fdc2fb47232`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E1E	10084 bytes

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