PDF malware analysis — malicious · fcacea8db120c9aa

MALICIOUS

PDF

44.2 KB Created: 2020-07-19 20:47:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 754153a4e40ab1b8baf5c8c467bbd71a SHA-1: 3517a6cc772bc2d722c923d6f93557b82ce65a4c SHA-256: fcacea8db120c9aa019d6f4c8e10e99abc584e4790bd6e06d98f74c78515229c

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a large number of embedded links, a technique often used to obscure malicious destinations and engage in SEO link farming. One of the primary links directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'employee monthly attendance sheet pdf', suggesting a social engineering 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/wb?keyword=employee%20monthly%20attendance%20sheet%20pdf
- http://files.ukcitizenshipbyinvestment.com/uploads/1/3/0/7/130740298/9427040.pdf
- http://files.laurendeserres.com/uploads/1/3/1/1/131163740/mejavaxebowi.pdf
- http://files.moannasworkroom.com/uploads/1/3/2/6/132681796/gopitowi.pdf
- https://lipimuz.files.wordpr
- https://bawegepagema.files.wordpress.com/2020/07/vireb.pdf
- https://sutuzor.files.wordpress.com/2020/06/xajomukitogufanoxa.pdf
- https://pigumofow.files.wordpress.com/2020/06/88091991772.pdf
- https://xuzuxogoguka.files.wordpress.com/2020/06/89882289096.pdf
- https://pelidabavigi.files.wordpress.com/2020/06/42882798555.pdf
- https://lipimuz.files.wordpress.com/2020/07/ribebonobajerosiruzov.pdf
- https://saguwer.files.wordpress.com/2020/07/95677761428.pdf
- https://tepejiwo786338983.files.wordpress.com/2020/07/94345919063.pdf
- https://cdn.shopify.com/s/files/1/0429/5704/5913/files/varexek.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tozonolemudafolafoxi.pdf
- https://cdn.shopify.com/s/files/1/0430/3365/7495/files/dajavapesutukifaw.pdf
- https://cdn.shopify.com/s/files/1/0428/8839/6959/files/32066034633.pdf
- https://cdn.shopify.com/s/files/1/0435/1708/3803/files/lekuxufu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fisebupujavilugux.pdf
- https://cdn.shopify.com/s/files/1/0432/8462/7616/files/41270316560.pdf
- https://cdn.shopify.com/s/files/1/0434/6295/1077/files/darojolexadanabomixu.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_off0000714b.bin` `099e55438e773e6b490edf6aff819fa5325680bb763925af14912d3577360bb9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x714B	5096 bytes
`font_01_sfnt_off0000827a.bin` `9839d4593208bc32b498c78e050709175877c765b32abca18c55c808c368a5c9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x827A	9636 bytes

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