PDF malware analysis — malicious · be462cfe97963bfa

MALICIOUS

PDF

56.0 KB Created: 2020-08-14 21:58:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 722afc53bfd053cff54a4eb6beadc471 SHA-1: a841f34157f552b94ae092bb219de58c3d54b2b6 SHA-256: be462cfe97963bfaad9e88e6dd869dbdc567340fd4ad56cd8ea576a9e5135c3e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The file also exhibits characteristics of a link farm, with numerous external PDF links. The primary malicious URL identified is https://ttraff.cc/pify?keyword=invitation+template+birthday+party, which is likely used to redirect users to a malicious site. No scripts were extracted from this sample.

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=invitation+template+birthday+party
- http://files.yellowdoorbandb.com/uploads/1/3/0/8/130815137/6644748.pdf
- http://files.teamprescott.net/uploads/1/3/1/3/131398406/serorojigik_lajivujon.pdf
- http://files.teddybrighton.co.uk/uploads/1/3/0/7/130775498/rilavuj.pdf
- http://files.goodeyemediaaz.com/uploads/1/3/1/4/131437362/futizet.pdf
- http://dokepu.sungindustries.com/uploads/1/3/0/7/130738730/tudimepik_serogori_sazumelafinene_loxip.pdf
- https://cdn.shopify.com/s/files/1/0430/8343/2096/files/26552872734.pdf
- https://cdn.shopify.com/s/files/1/0431/5096/6950/files/tedafiramoj.pdf
- https://cdn.shopify.com/s/files/1/0435/1010/4228/files/xaxofivubowitugegifozuw.pdf
- https://cdn.shopify.com/s/files/1/0431/4402/0125/files/ferakujesak.pdf
- https://cdn.shopify.com/s/files/1/0437/6700/5333/files/48613334384.pdf
- https://cdn.shopify.com/s/files/1/0428/3649/2444/files/22463431556.pdf
- https://cdn.shopify.com/s/files/1/0432/0729/5140/files/62597114372.pdf
- https://cdn.shopify.com/s/files/1/0452/9052/0738/files/antenna_theory_tutorialspoint_download.pdf
- https://cdn.shopify.com/s/files/1/0429/0940/1251/files/72270513206.pdf
- https://cdn.shopify.com/s/files/1/0431/3900/6615/files/54090086091.pdf
- https://cdn.shopify.com/s/files/1/0454/8834/1142/files/jedegagutab.pdf
- https://cdn.shopify.com/s/files/1/0433/2699/6633/files/40275306024.pdf
- https://cdn.shopify.com/s/files/1/0429/6785/9359/files/92447148874.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_off00009d61.bin` `a9506f0bcc82dd7937915441b480b3027e9a7afe8daa47f524474038acf0a4fb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9D61	5260 bytes
`font_01_sfnt_off0000af14.bin` `c6613e342a886a3f8a395df307074658b541fc6b08dae2d381fa4aa3b68020df`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAF14	10488 bytes

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