PDF malware analysis — malicious · 5a0f349de1e96be5

MALICIOUS

PDF

41.5 KB Created: 2020-07-30 08:47:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: be8ab4bb0c5d195eab7724440c55c2ed SHA-1: 50bae5f415e6baf5ddbde8f10881efe590750ad8 SHA-256: 5a0f349de1e96be5dbf665d41af63ff14cf63a578d2e7bad820faf3d419af053

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains text related to 'Bus 118 trier pdf', which aligns with the embedded URL. The primary malicious IOC is the ttraff.com redirector, which likely leads to further 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=bus+118+trier+pdf
- http://files.peachfuzztranslations.com/uploads/1/3/0/9/130969986/b58c0c94bf0.pdf
- http://files.usasportsassociation.com/uploads/1/3/0/9/130969826/zadogez.pdf
- http://files.mrshansen.net/uploads/1/3/0/7/130739991/4814b061f.pdf
- https://cdn.shopify.com/s/files/1/0439/1577/2059/files/binipinanik.pdf
- https://cdn.shopify.com/s/files/1/0431/1577/4108/files/76976813744.pdf
- https://cdn.shopify.com/s/files/1/0433/7342/8888/files/83794298616.pdf
- https://cdn.shopify.com/s/files/1/0431/6623/6826/files/95195067880.pdf
- https://cdn.shopify.com/s/files/1/0428/6382/0959/files/dorubeta.pdf
- https://cdn.shopify.com/s/files/1/0435/0427/1524/files/5005798437.pdf
- https://cdn.shopify.com/s/files/1/0434/0560/7062/files/49218676444.pdf
- https://cdn.shopify.com/s/files/1/0435/6295/8997/files/pewiwakej.pdf
- https://cdn.shopify.com/s/files/1/0437/1572/3414/files/fuvigedeganap.pdf
- https://cdn.shopify.com/s/files/1/0437/7870/3511/files/gudosiwaxexobipo.pdf
- https://cdn.shopify.com/s/files/1/0432/0568/9504/files/45002807195.pdf
- https://cdn.shopify.com/s/files/1/0430/4571/6129/files/xepisugofurexikidu.pdf
- https://cdn.shopify.com/s/files/1/0433/7310/1214/files/56428931656.pdf
- https://cdn.shopify.com/s/files/1/0435/6780/8667/files/zulaketiwamokotisef.pdf
- https://cdn.shopify.com/s/files/1/0433/6805/4949/files/sakoxujosuzozireki.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/1/0435/0427/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000065d9.bin` `16074c88de3bd6fe323e2f66fd792503f1fbd5452dccccd3393606d757448b02`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65D9	4756 bytes
`font_01_sfnt_off0000761c.bin` `ef6e57eea1894cf2c6eb0fa3591cd65c4e1ac8fbd8854dc2dc525046312398cf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x761C	10108 bytes

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