PDF malware analysis — malicious · 57aa6425957632bf

MALICIOUS

PDF

57.8 KB Created: 2020-08-05 07:30:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 52a3fe69f74740e4b3574c1765ee85ce SHA-1: 6784d29b3f6b3fbbc1c6f584ade2f26d5041d493 SHA-256: 57aa6425957632bf4bb46ae5ca7fce7960085b14c2cb4f2eda0e282c20c7a7a3

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating it's a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=antimicrobial+therapy+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to lure the user to this malicious site. The file also exhibits characteristics of a link farm, with numerous external PDF links, further supporting the malicious redirection attempt.

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=antimicrobial+therapy+pdf
- http://files.littlesciencebird.com/uploads/1/3/2/6/132695639/5095972.pdf
- http://files.nowlunenburgcounty.com/uploads/1/3/0/7/130775151/jibabutibamepag_mifaribuvano_gixajime_vebedozuz.pdf
- http://files.iwritebookspub.com/uploads/1/3/2/6/132696077/basekajufawaros-jepevimakijumo-welaz.pdf
- http://files.ideeenwijzer.com/uploads/1/3/1/6/131606121/lexabutazed-sogane-wasetawapu-tazexasokutolip.pdf
- https://cdn.shopify.com/s/files/1/0431/0463/2992/files/nivebuzemasisaxasuxomi.pdf
- https://cdn.shopify.com/s/files/1/0433/8126/0440/files/vowamilojumogiguxodesum.pdf
- https://cdn.shopify.com/s/files/1/0438/4679/5424/files/minecraft_pirate_mod.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/85213016947.pdf
- https://cdn.shopify.com/s/files/1/0428/4959/9644/files/sacred_texts_of_hinduism.pdf
- https://cdn.shopify.com/s/files/1/0437/7467/3050/files/lomupasifilapakosol.pdf
- https://cdn.shopify.com/s/files/1/0428/9436/0735/files/safamajufubidozejura.pdf
- https://cdn.shopify.com/s/files/1/0430/5489/1161/files/lotro_anfalas_scroll_of_empowerment.pdf
- https://cdn.shopify.com/s/files/1/0431/1692/0996/files/buick_intellilink_hack.pdf
- https://cdn.shopify.com/s/files/1/0432/8544/6822/files/rijalirakexiw.pdf
- https://cdn.shopify.com/s/files/1/0430/9064/1045/files/80373862318.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_off00009637.bin` `e0018bf69810d2ab137423fa765a3d928a96806e936fa914d5e3a3cb397e510f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9637	5236 bytes
`font_01_sfnt_off0000a7c8.bin` `d97d09fe5c3bf481464c2162b749372e3066757cfa79e1deda385a5e211ab6b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA7C8	10636 bytes
`font_02_sfnt_off0000cc20.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCC20	4324 bytes

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