PDF malware analysis — malicious · f6719a6ecd2463e2

MALICIOUS

PDF

45.0 KB Created: 2020-08-18 14:22:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 792366b381f450f4df5d8136d1cc7776 SHA-1: 8e718d98df657dfeeaf88ab3e4411d000b8aea3d SHA-256: f6719a6ecd2463e21934ecf976489676e9c0d2c50efe6bfa3084ba915650b5eb

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains a URL that leads to a malicious redirector. This suggests a phishing or social engineering attack aimed at directing users to malicious content. 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.ru/pify?keyword=que+es+transferencia+en+psicologia+pdf
- http://files.pacerstalk.net/uploads/1/3/2/6/132695566/vizesotikoxodijole.pdf
- http://files.kraftwerk-carpentry-decorating.com/uploads/1/3/1/3/131381804/3071968.pdf
- http://files.arcticinrapidtransition.com/uploads/1/3/1/4/131408664/dapubarumabix-vadapesuv.pdf
- http://files.wichcream.com/uploads/1/3/0/8/130874204/2566937.pdf
- http://files.inearthenvessels.com/uploads/1/3/1/4/131482975/57d09cd72e56.pdf
- https://cdn.shopify.com/s/files/1/0446/6409/4873/files/acca_accounting_ratios_formulas.pdf
- https://cdn.shopify.com/s/files/1/0435/9625/1304/files/30240887059.pdf
- https://cdn.shopify.com/s/files/1/0430/2385/9873/files/24409075660.pdf
- https://cdn.shopify.com/s/files/1/0434/5793/7561/files/potential_transformer_definition.pdf
- https://cdn.shopify.com/s/files/1/0440/7666/2949/files/atrial_septal_defect_pada_anak.pdf
- https://cdn.shopify.com/s/files/1/0437/5894/4405/files/wufujok.pdf
- https://cdn.shopify.com/s/files/1/0435/4116/8283/files/14243175527.pdf
- https://cdn.shopify.com/s/files/1/0432/3082/2555/files/fosoruluse.pdf
- https://cdn.shopify.com/s/files/1/0441/3066/4600/files/224271906.pdf
- https://cdn.shopify.com/s/files/1/0428/8649/6415/files/michelin_wiper_blades_size_chart.pdf
- https://cdn.shopify.com/s/files/1/0429/1087/5815/files/totem_tribe_walk_through.pdf
- https://cdn.shopify.com/s/files/1/0436/5710/1465/files/jewopanuwogokoni.pdf
- https://cdn.shopify.com/s/files/1/0433/0897/4235/files/51338295727.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_off00006ef8.bin` `9384d7678eae88b9335b707b7d59b19f9b19491a625bc7340a3c09f4ef64fbd4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6EF8	5384 bytes
`font_01_sfnt_off00008150.bin` `36d7eaa9d426b56fe444485eac52823d5e21194a99276014c54850279719b3d9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8150	10960 bytes

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