PDF malware analysis — malicious · e7e9010b2b549bfc

MALICIOUS

PDF

48.4 KB Created: 2020-08-21 14:06:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a774efd00ba9c90b60c1224d11e18b48 SHA-1: 88052b3aa145d247a016fa4d2c0accc8b8091f96 SHA-256: e7e9010b2b549bfce46ebdcae8761b05539ffda97202a528e4ad20b3873e091c

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though partially corrupted, includes text related to 'best live tv apk for firestick' and references to wkhtmltopdf, suggesting a lure to potentially malicious content. The presence of a link farm further indicates an attempt to distribute malicious content or SEO spam.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=best+live+tv+apk+for+firestick
- http://files.newleaforganizingllc.com/uploads/1/3/1/8/131857071/6418065.pdf
- http://rumorekiv.patwrightlab.net/uploads/1/3/1/3/131384401/555ed45c97.pdf
- http://tasozo.flowersindublin.com/uploads/1/3/1/4/131454215/xidujasawovab.pdf
- http://files.rachelraab.com/uploads/1/3/1/4/131406663/6109ebabe79669.pdf
- http://files.nianguaschools.com/uploads/1/3/0/8/130813511/jepom-ziketofolipa.pdf
- https://cdn.shopify.com/s/files/1/0431/0876/1764/files/cash_flow_analysis_download.pdf
- https://cdn.shopify.com/s/files/1/0439/4015/1454/files/woginib.pdf
- https://cdn.shopify.com/s/files/1/0435/3720/3364/files/sokugebetu.pdf
- https://cdn.shopify.com/s/files/1/0429/7526/4919/files/cch_chuyn_file_sang_dng_nh.pdf
- https://cdn.shopify.com/s/files/1/0459/5951/2223/files/binomische_formel_rckwrts_anwenden.pdf
- https://cdn.shopify.com/s/files/1/0431/1420/1250/files/happy_birthday_images_in_tamil.pdf
- https://cdn.shopify.com/s/files/1/0446/2762/4099/files/the_accountant_hollywood_movie_free.pdf
- https://cdn.shopify.com/s/files/1/0429/6504/1311/files/8704084838.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005eef.bin` `9492f0931dbd76a70c1638c3de3a65565ed0be1444e2b5f3b0efc36f44f39ae7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EEF	5180 bytes
`font_01_sfnt_off000070a6.bin` `6e5de5c6bcb7fdd8c5ca0d25823a8f80e6c764803c1b732dbc9c425a5c0f8ea5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x70A6	2092 bytes
`font_02_sfnt_off00007a4c.bin` `b6d47a920c4311f36850e64dc4865c4bc9448736f0070c28b63149db3d45a3f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A4C	11520 bytes
`font_03_sfnt_off00009f18.bin` `f04fb96856fa86c99babb5bf309615b780632e07d2318923ed038a7bfd4fd4ce`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9F18	16204 bytes

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