PDF malware analysis — malicious · 3e12f91cf08b60e4

MALICIOUS

PDF

40.1 KB Created: 2020-08-04 16:14:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 063635791adf4bb0aca3e15d1308ddfb SHA-1: 00bb7c265057afd5d9c9ee8dc4919038f6498842 SHA-256: 3e12f91cf08b60e43ac922f5aef55945d2cd2363e1dea7c294a52432e279828c

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a malicious redirector link disguised as a Bible download. The link, https://ttraff.cc/pify?keyword=descargar+la+biblia+completa+pdf+reina+valera+1960, leads to known malicious infrastructure. The document also exhibits characteristics of a link farm, with numerous embedded links to external PDFs, many of which are hosted on Shopify. The ML classifier strongly indicates maliciousness.

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.cc/pify?keyword=descargar+la+biblia+completa+pdf+reina+valera+1960
- http://files.patmedmun.com/uploads/1/3/1/3/131379792/zidolirevipomiweziji.pdf
- http://files.alifeworthliving2.org/uploads/1/3/0/8/130874318/lenalaw-fowez-legojumafixixin-tunotababivofen.pdf
- http://files.yourheartspath.com/uploads/1/3/0/7/130775528/f2bd66634ec.pdf
- https://cdn.shopify.com/s/files/1/0436/9865/1288/files/69314100250.pdf
- https://cdn.shopify.com/s/files/1/0430/4646/9793/files/84848100948.pdf
- https://cdn.shopify.com/s/files/1/0434/2589/0469/files/20632085830.pdf
- https://cdn.shopify.com/s/files/1/0434/2838/0839/files/saralonokisisipagevozo.pdf
- https://cdn.shopify.com/s/files/1/0430/9093/5969/files/99458464369.pdf
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/9249325924.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12909571685.pdf
- https://cdn.shopify.com/s/files/1/0431/2632/5402/files/letufatozobefajazel.pdf
- https://cdn.shopify.com/s/files/1/0431/5290/0260/files/bulunuzu.pdf
- https://cdn.shopify.com/s/files/1/0440/4012/6614/files/jetoberebafuvukowobakeje.pdf
- https://cdn.shopify.com/s/files/1/0432/4406/0839/files/sibasexiwanogenifevaripiv.pdf
- https://cdn.shopify.com/s/files/1/0435/4244/6231/files/54322576791.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004d53.bin` `8868fde55dc51c9efaf8772ab48fe37269165e5b4fd588b2420829df33a84f4e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4D53	6180 bytes
`font_01_sfnt_off00006241.bin` `c9b5c4904a063eda2fd006e21c0d11b7d9e09ba17605c18bcc17455d537c1e8f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6241	3120 bytes
`font_02_sfnt_off00006ec7.bin` `8212cfc2c956474f09780b125cf22bd7d64fe9a0aced5c7407be9dcd8044a4a3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6EC7	10528 bytes

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