PDF malware analysis — malicious · e7897fbad326d27b

MALICIOUS

PDF

34.7 KB Created: 2020-08-10 10:06:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c411dfd23a5846a361e18755ea1df6a8 SHA-1: 5d7db4ff4651776e69216c0640479244829e8ad8 SHA-256: e7897fbad326d27b9fae5b3b1c87076ca5c778d3a5ad7d3d0e142097a62d9e12

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The primary malicious URL identified is https://ttraff.com/pify?keyword=schneider+nsx+mccb+catalogue+pdf, which is likely used to redirect users to further malicious content. The document body contains obfuscated text and numerous embedded URLs, supporting the finding of a link farm designed to distribute malicious content.

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.com/pify?keyword=schneider+nsx+mccb+catalogue+pdf
- http://files.maggieabril.com/uploads/1/3/1/1/131164479/45d38871ad0ca2f.pdf
- http://files.roswellorchestra.org/uploads/1/3/1/3/131378779/9685406.pdf
- http://files.williamlongo.com/uploads/1/3/1/6/131606636/4505691.pdf
- https://cdn.shopify.com/s/files/1/0429/5639/0551/files/59711436238.pdf
- https://cdn.shopify.com/s/files/1/0432/3953/8851/files/zodetawewejewifepe.pdf
- https://cdn.shopify.com/s/files/1/0429/6956/3290/files/53963093377.pdf
- https://cdn.shopify.com/s/files/1/0440/8573/9670/files/xanodolob.pdf
- https://cdn.shopify.com/s/files/1/0433/0559/9140/files/dawulujixo.pdf
- https://cdn.shopify.com/s/files/1/0434/0491/8941/files/what_goes_on_beatles.pdf
- https://cdn.shopify.com/s/files/1/0432/2790/6206/files/dieta_keto_menu_semanal.pdf
- https://cdn.shopify.com/s/files/1/0431/5719/2853/files/imdb_the_code.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69440205977.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mirizopenifipometetotagoz.pdf
- https://cdn.shopify.com/s/files/1/0432/8259/6004/files/88002006697.pdf
- https://cdn.shopify.com/s/files/1/0431/1174/3639/files/viscous_fluid_flow_solutions_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/7930/3317/files/59994613940.pdf
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/99017356986.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_off000049f5.bin` `fe63f93221acae39cde42152701a83cef844a544f768ab7c7d5e55eb975ae4e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x49F5	5880 bytes
`font_01_sfnt_off00005dd2.bin` `6110568f3c9ee9eb970d4656dbfc0556c598b39e177c19c8f522f28b3454d43a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DD2	9352 bytes

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