Malicious PDF — malware analysis report

Static analysis result for SHA-256 e29b69af1b506dfe…

MALICIOUS

PDF

62.3 KB Created: 2020-08-19 04:12:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 68117f2633fff2c42011c8e46f5cf679 SHA-1: bf4b09bd73c9e702302aedf88941e1f9c665eacb SHA-256: e29b69af1b506dfee4270da4040c400e45ab821ab0c4db8932eb5d5ca257ffff
180 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=android+studio+generate+signed+apk+name'. The document body also contains this URL and numerous other links hosted on cdn.shopify.com, indicating a link farm strategy. The 'SE_SECRET_RECOVERY_LURE' heuristic suggests the document's content is designed to trick users into revealing sensitive information. No scripts were extracted from this sample.

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.
  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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/pify?keyword=android+studio+generate+signed+apk+name
    • http://pasenem.jjkbarrelracing.com/uploads/1/3/1/4/131437254/42fcd6d09925563.pdf
    • http://jowujufe.monarchapothecaryandtrading.com/uploads/1/3/1/4/131407552/dasewemupepaba.pdf
    • http://files.rooseveltvanderbilt.org/uploads/1/3/1/6/131637043/87bcc03bbb8.pdf
    • http://bebita.secretsofmyvegankitchen.com/uploads/1/3/2/6/132683014/siriju.pdf
    • https://cdn.shopify.com/s/files/1/0432/4291/3955/files/tisozuxija.pdf
    • https://cdn.shopify.com/s/files/1/0438/5413/5456/files/clasicismo_pintura.pdf
    • https://cdn.shopify.com/s/files/1/0428/8921/6163/files/14235227320.pdf
    • https://cdn.shopify.com/s/files/1/0433/8896/0933/files/gmat_2017.pdf
    • https://cdn.shopify.com/s/files/1/0438/2919/9005/files/kigobamikoj.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63529720688.pdf
    • https://cdn.shopify.com/s/files/1/0436/1230/7618/files/the_dictionary_of_body_language_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/2174/5823/files/povawibusopadir.pdf
    • https://cdn.shopify.com/s/files/1/0441/0349/9928/files/92560550890.pdf
    • https://cdn.shopify.com/s/files/1/0434/1936/9628/files/lie_to_me_korean_drama.pdf
    • https://cdn.shopify.com/s/files/1/0429/9105/9097/files/23512472231.pdf
    • https://cdn.shopify.com/s/files/1/0431/4769/0145/files/fukomemumulujitafijil.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_off0000a03c.bin
43a983557dbb8dd4942e3e2d551594a5509d1f2d74cda02fbb8eb5a4408681c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA03C 5180 bytes
font_01_sfnt_off0000b1bc.bin
e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB1BC 1800 bytes
font_02_sfnt_off0000ba4a.bin
33a128e2ebd9ca695161b3551f5f487391247f72c3dbad8e559c45df3e5bac5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBA4A 10152 bytes
font_03_sfnt_off0000dd1f.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDD1F 4324 bytes

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