PDF malware analysis — malicious · 9fd37032bca27fb0

MALICIOUS

PDF

48.4 KB Created: 2020-08-02 09:48:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a4f16317403e57ff64c93a09a0724a4c SHA-1: 9e1d306d19854babd8b508c02b0dfd4a76f2378c SHA-256: 9fd37032bca27fb00f872f77481205f55f6fc0105a7254105282a16e29b8156b

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged as malicious due to a high number of embedded links, many of which are part of a link farm hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.com. The document body contains the same redirector URL and a Shopify URL, suggesting a lure or content manipulation strategy. The presence of these links and the malicious redirector indicates an attempt to direct users to harmful content or infrastructure.

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=windwalker+monk+pvp
- http://files.wartornblackmetal.co.uk/uploads/1/3/2/3/132302928/dovegazapuxijaloxuf.pdf
- http://files.sonomadrivingtours.com/uploads/1/3/0/9/130969548/waburikojomofetu.pdf
- http://files.kitmetlen.com/uploads/1/3/0/7/130738758/8621342.pdf
- https://cdn.shopify.com/s/files/1/0438/6154/1014/files/vusipagosupi.pdf
- https://cdn.shopify.com/s/files/1/0433/5347/3189/files/42622624245.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78539107281.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/17612659915.pdf
- https://cdn.shopify.com/s/files/1/0432/9055/8622/files/pofitiluwepifom.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vofelowuloluvazoriwonub.pdf
- https://cdn.shopify.com/s/files/1/0428/0533/0083/files/rajigulepofojelazu.pdf
- https://cdn.shopify.com/s/files/1/0429/6717/1223/files/kilunibazabusutuzoxoxakiv.pdf
- https://cdn.shopify.com/s/files/1/0430/9866/9220/files/nomezajimazow.pdf
- https://cdn.shopify.com/s/files/1/0436/8472/4889/files/gatewavinokab.pdf
- https://cdn.shopify.com/s/files/1/0435/4444/5092/files/kisagit.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wurawosupamajo.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/fuwefave.pdf
- https://cdn.shopify.com/s/files/1/0430/3316/5986/files/29426817789.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_off000079b2.bin` `bc5e3473a43535a95524cbdb111deaecf20dab184d10125ca31b0a76e357d28e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x79B2	5156 bytes
`font_01_sfnt_off00008b42.bin` `eca5ba3a73e6c643d251c81dd2b0105cfe64b4a4a591849128fc2247a1290af7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B42	12944 bytes

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