Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebcd7f8013143743…

MALICIOUS

PDF

79.9 KB Created: 2020-09-12 08:50:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e534e2a388c53e4a7b57189370abf9ce SHA-1: 8ed935f2884b209396a94c63a51a9b7e69d4e1c7 SHA-256: ebcd7f8013143743e22e0a29e93ba4ebe7438e182f77d888ca97d3f96f513623
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF file contains embedded links that lead to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to a 'Toyota auris hybrid 2013 manual pdf', which is likely a pretext to entice users to click the malicious link. The heuristic firings confirm this is a malicious redirector and an advance-fee scam lure.

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.ru/wb?keyword=toyota%20auris%20hybrid%202013%20manual%20pdf
    • https://static.usrfiles.com/ugd/11276f_4bad5c216e494ee2bf92951afbabd2aa.pdf
    • https://static.usrfiles.com/ugd/99afdc_e6ecdd9df91b422792bc41da50c8bdb9.pdf
    • https://static.usrfiles.com/ugd/a7074a_837162730ebe4a6695ad3a5477b5ddce.pdf
    • https://cdn.shopify.com/s/files/1/0434/4381/4556/files/52720376337.pdf
    • https://cdn.shopify.com/s/files/1/0465/0536/1566/files/articles_basic_rules.pdf
    • https://cdn.shopify.com/s/files/1/0429/9672/7957/files/fijimemotujufaxosuko.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gigogew.pdf
    • https://cdn.shopify.com/s/files/1/0432/6414/7609/files/kojilufuxo.pdf
    • https://cdn.shopify.com/s/files/1/0431/7052/9436/files/zademinixujom.pdf
    • https://cdn.shopify.com/s/files/1/0428/9619/5737/files/61123743620.pdf
    • https://cdn.shopify.com/s/files/1/0429/0645/2127/files/fresno_bee_fishing_report_august_28_2019.pdf
    • https://cdn.shopify.com/s/files/1/0431/0453/4692/files/scope_of_psychiatric_social_work.pdf
    • https://static.usrfiles.com/ugd/9c0842_23654b6e042a4df6bdfafb10d1c998a0.pdf
    • https://static.usrfiles.com/ugd/b8c837_1285a1d03aaa434186f99d8ee747aa87.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.

FilenameKindSourceSize
font_00_sfnt_off0000b18c.bin
8cdcbf141623fc59357492f4fad611a9a5e42feacdecab3c78cc2b412221a2df
pdf-font-stream PDF embedded font (sfnt) at offset 0xB18C 11516 bytes
font_01_sfnt_off0000d753.bin
4a6b515fbd38030c5347801e9ebdde68a41acd6c06b262903d40f5c884a60b2d
pdf-font-stream PDF embedded font (sfnt) at offset 0xD753 5960 bytes
font_02_sfnt_off0000eb75.bin
2ec2c64903026c6c9fc9cc7e3fb2048d77d7e5de76f6faf4d034f392d9bd47c0
pdf-font-stream PDF embedded font (sfnt) at offset 0xEB75 15984 bytes
font_03_sfnt_off00011d54.bin
2d958bd008b8db5b33092f112e99c856adbcc0a100e950d14ff814b784be6357
pdf-font-stream PDF embedded font (sfnt) at offset 0x11D54 16060 bytes