PDF malware analysis — malicious · 39c66ae80c179a6d

MALICIOUS

PDF

51.3 KB Created: 2020-08-07 13:23:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6ca0d8e8f773b49f62c263faaeecf617 SHA-1: 370296118845fac87a9f1ff79288c996d7a8d8c9 SHA-256: 39c66ae80c179a6df9e2267457927f0ffe0c9293367d31546de5e020f67ae4ee

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged for containing a malicious redirector link and a large farm of external PDF links. The primary malicious link, https://ttraff.com/pify?keyword=biegelinie+tabelle+pdf, is likely used to redirect users to a malicious site. The document body contains garbled text but also includes the malicious URL, reinforcing its purpose. The presence of numerous links suggests a broad attempt at user engagement for malicious purposes.

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=biegelinie+tabelle+pdf
- http://files.theplatinumbutton.com/uploads/1/3/1/3/131398091/wonukalabafuz-wivuvarepez-powategaj.pdf
- http://files.kathleenmercury.com/uploads/1/3/1/4/131406036/tijurut.pdf
- http://files.albcountry.co.uk/uploads/1/3/2/6/132696194/sibasigepediw.pdf
- https://cdn.shopify.com/s/files/1/0432/9016/5403/files/stardew_valley_lake_fish_bundle.pdf
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/ranasu.pdf
- https://cdn.shopify.com/s/files/1/0428/9291/8947/files/mokaba.pdf
- https://cdn.shopify.com/s/files/1/0432/0293/6992/files/58631550930.pdf
- https://cdn.shopify.com/s/files/1/0429/0910/6335/files/62011391083.pdf
- https://cdn.shopify.com/s/files/1/0428/2934/9030/files/dajog.pdf
- https://cdn.shopify.com/s/files/1/0430/3824/5017/files/rumuzebemogosunerosap.pdf
- https://cdn.shopify.com/s/files/1/0431/3926/8774/files/epilepsia_causas_sintomas_y_tratamiento.pdf
- https://cdn.shopify.com/s/files/1/0433/6061/6599/files/74490105725.pdf
- https://cdn.shopify.com/s/files/1/0437/7821/1991/files/27026570778.pdf
- https://cdn.shopify.com/s/files/1/0427/9199/3500/files/83027876939.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006570.bin` `590e58eacf78db85871efff7fe4d8d8d6ddf4f468a7c678cbfa27b8275a2bcbb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6570	4804 bytes
`font_01_sfnt_off000075d0.bin` `70ddd12d309fefb8adef793edaece31c00d16de1df6f63efbb6460b9d81ec299`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x75D0	11452 bytes
`font_02_sfnt_off00009b83.bin` `b2ac67756ccb9a38f0303b1ba820cb5c8b4ab6133599e7fd07ad9e712984a954`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9B83	16168 bytes
`font_03_sfnt_off0000b099.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB099	4324 bytes

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