PDF malware analysis — malicious · f9f310eac5831b24

MALICIOUS

PDF

81.0 KB Created: 2020-08-31 02:33:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c908bae7919f837f32cf05976ddc5988 SHA-1: caa48f9656689496b21e3ad6fe410c9062a21281 SHA-256: f9f310eac5831b24dd52b1c49368ba419ace49620b51a198431b532e4891403e

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.club'. This URL is associated with an advance-fee scam lure, as indicated by another critical heuristic. The document body, though heavily obfuscated, contains the same URL, reinforcing its malicious intent. The file is designed to trick users into clicking the malicious link, likely leading to further compromise or financial fraud.

Heuristics 4

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.
Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE

Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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.club/wix?keyword=bengali+panjika+1421+pdf
- https://cdn.shopify.com/s/files/1/0439/5817/3854/files/chemical_principles_7th_edition.pdf
- https://cdn.shopify.com/s/files/1/0431/7406/8390/files/72122526539.pdf
- https://cdn.shopify.com/s/files/1/0433/5514/4347/files/jalageluwavukipov.pdf
- https://cdn.shopify.com/s/files/1/0465/3154/3198/files/cholera_presentation_ppt.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gobobuxewinunegurugita.pdf
- https://cdn.shopify.com/s/files/1/0437/2905/9994/files/pibulabap.pdf
- https://cdn.shopify.com/s/files/1/0428/4393/0791/files/31788184322.pdf
- https://static.usrfiles.com/ugd/dd4472_91b1b22b04bd43769217a33f697af04a.pdf
- https://static.usrfiles.com/ugd/857e61_44b7b076f16447899b595e932084a825.pdf
- https://static.usrfiles.com/ugd/e643da_813adeadba7b498497637740863e4865.pdf
- https://static.usrfiles.com/ugd/b8c837_c800a2d639294caeb60323729bd83782.pdf
- https://static.usrfiles.com/ugd/105a8c_3daab24939da401fa8616613b47dae73.pdf
- https://static.usrfiles.com/ugd/dc98cc_239d4b7e56e44c6ebe25dd8fd2cbd75e.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_off0000e315.bin` `d69808db6040a7ebbfe1d0cdd55ec70f67292c73ca08a541a10a85becec6e5c0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE315	5396 bytes
`font_01_sfnt_off0000f596.bin` `73f88f6977d255b0a5bb70541ca8c60e0a3c7ebf0766b4b4543bf72ae2f6f368`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF596	13512 bytes
`font_02_sfnt_off00012107.bin` `63ea0af8218f446c6951f657c90afa72f831e8a0c9caeff0df73427b8f47130a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12107	16336 bytes

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