PDF malware analysis — malicious · a84fc3689f2a9df0

MALICIOUS

PDF

42.4 KB Created: 2020-07-22 08:42:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 63bc71c3288a1c90090cd6bd01b5df5d SHA-1: de5d98a4b1378818b146068452065210a724b590 SHA-256: a84fc3689f2a9df0a6e15868d940daa46f138464464b37523d71b248fc9377bd

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a critical heuristic firing indicating it links to a known malicious redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=benim+hocam+tarih+kpss+2020+pdf. Additionally, the file exhibits characteristics of a link farm, with numerous external PDF links, many pointing to benign Shopify domains but one also to the malicious ttraff.com domain. The document body is heavily obfuscated and unreadable, providing no further context on the lure.

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=benim+hocam+tarih+kpss+2020+pdf
- http://files.menominee63.com/uploads/1/3/0/7/130775197/7492280.pdf
- http://files.midtribulationrapture.com/uploads/1/3/1/6/131606756/1010011.pdf
- http://files.krgriffiths.org/uploads/1/3/0/8/130874129/96dffd9.pdf
- http://files.oldhamwayultra.co.uk/uploads/1/3/0/9/130969330/zidodozeleponet.pdf
- https://cdn.shopify.com/s/files/1/0429/6006/0567/files/15594193931.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/35679391278.pdf
- https://cdn.shopify.com/s/files/1/0429/9672/7957/files/joxatow.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32878299647.pdf
- https://remopar.files.wordpress.com/2020/06/kurixowetepi.pdf
- https://jananag614339401.files.wordpress.com/2020/06/gubovesefu.pdf
- https://jidiluda.files.wordpress.com/2020/07/mivenoguladet.pdf
- https://lokakaf.files.wordpress.com/2020/07/jafifinef.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xidab.pdf
- https://cdn.shopify.com/s/files/1/0431/0364/9954/files/lefagawuni.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bararilisubolubudikolumo.pdf
- https://cdn.shopify.com/s/files/1/0433/2358/8773/files/fawebomunerajalafez.pdf
- https://cdn.shopify.com/s/files/1/0431/9241/8468/files/zakojorifir.pdf
- https://cdn.shopify.com/s/files/1/0427/5588/3175/files/wagaxameluvijaraxe.pdf
- https://cdn.shopify.com/s/files/1/0433/6936/5654/files/wogubifipetave.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/fil

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000636d.bin` `52617eab95d5593780708f6dc826f78eb80db190ab5f985d55760e8f80facc53`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x636D	5540 bytes
`font_01_sfnt_off00007602.bin` `e6f79409d347ed2745a89bad305c8f1704c106b9fcfff91f550c939d90fbbd7b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7602	11724 bytes

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