PDF malware analysis — malicious · 98b8916a881dc73a

MALICIOUS

PDF

57.7 KB Created: 2020-07-26 05:11:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5dc726489f959f8e7de702fa86f61df9 SHA-1: 40653205d579cdbd6aab22569c9c9062d47f3d0a SHA-256: 98b8916a881dc73ac8f9972ea316c9d12ab16d761dc589205425157ae7611aa8

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. This suggests a tactic to drive traffic to malicious infrastructure, potentially for phishing or malware distribution. The PDF structure and embedded links indicate a link farm or SEO manipulation tactic. No scripts were extracted, limiting the analysis of direct payload execution.

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/wb?keyword=riesgo%20psicosocial%20en%20el%20trabajo%20pdf
- http://files.drkatescranialschool.com/uploads/1/3/1/4/131452887/6485601.pdf
- http://files.odazzitclub.com/uploads/1/3/2/6/132681440/tegololevima.pdf
- http://files.killjoy.info/uploads/1/3/2/8/132816158/444fa6d86d0810f.pdf
- http://files.artevivoluveccerouvrais.com/uploads/1/3/2/7/132712015/86d7a48e15cf6.pdf
- https://cdn.shopify.com/s/files/1/0429/8450/5498/files/93948131749.pdf
- https://cdn.shopify.com/s/files/1/0432/2738/1924/files/73328523704.pdf
- https://cdn.shopify.com/s/files/1/0436/2564/4192/files/47253314203.pdf
- https://cdn.shopify.com/s/files/1/0432/5670/9288/files/kiwixo.pdf
- https://cdn.shopify.com/s/files/1/0431/6109/2250/files/gavufededila.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fovurasavelibegesixaga.pdf
- https://cdn.shopify.com/s/files/1/0433/7709/8913/files/36373005795.pdf
- https://cdn.shopify.com/s/files/1/0430/5528/4378/files/56779730560.pdf
- https://cdn.shopify.com/s/files/1/0427/4293/9814/files/44139904641.pdf
- https://cdn.shopify.com/s/files/1/0428/8859/3567/files/96682355353.pdf
- https://cdn.shopify.com/s/files/1/0434/9765/2376/files/9954704104.pdf
- https://cdn.shopify.com/s/files/1/0428/0818/0895/files/7128563398.pdf
- https://cdn.shopify.com/s/files/1/0434/1124/3162/files/molipiloxasogusini.pdf
- https://cdn.shopify.com/s/files/1/0439/2576/6312/files/38849379868.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_off0000a272.bin` `0e09d70ced2b0be3c37e518d919088becea803f5157e8054a611f5ee6cfa61ca`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA272	5332 bytes
`font_01_sfnt_off0000b499.bin` `8a544d47e9f0e86ee9671547e8ced91617dd335b945e5381bf59679db68f46f5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB499	11264 bytes

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