Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8abe0bee1d0ea6f…

MALICIOUS

PDF

38.9 KB Created: 2020-03-07 21:46:29 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 1b64357c55acc8e233515b470d2665b0 SHA-1: e7e2a3dc0a1a42e454779357e47b3acbd11d7f23 SHA-256: b8abe0bee1d0ea6f023f6ecdec09a6b1b52a254a1c0c09b6b569d7a94c533ee4
110 Risk Score

Malware Insights

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

The PDF document contains a lure suggesting a need for a password to open an Aadhaar card PDF, which is a common tactic for credential harvesting or phishing. It also contains a large number of external links, many pointing to similarly structured URLs, indicating a potential link farm or distribution network. The presence of MFA/one-time-code harvesting lure heuristics further supports a phishing or credential theft objective. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

Heuristics 5

  • 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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://en.sondrafinancialservicesllc.com/uploads/1/3/0/2/130272095/130272095.html#what+is+the+password+to+open+aadhaar+card+pdf+file
    • http://www.brickhouseroofing.com/uploads/1/3/0/2/130287988/6542869.pdf
    • http://nikolasstrubbe.com/uploads/1/3/0/5/130547812/doxevozidi_dibiduvipokoba_bitamedu_rupugovagogut.pdf
    • http://www.fightingchancepdx.org/uploads/1/3/0/8/130814200/5b02101a.pdf
    • http://stellarconcessions.com/uploads/1/3/0/3/130323506/37fceeeb6fb385.pdf
    • http://www.timwagnerperforms.com/uploads/1/3/0/5/130551249/1842ee64c31559b.pdf
    • http://bidisharoyhci.com/uploads/1/3/0/6/130622032/duxizoxare_jitebixuja_vetepib.pdf
    • http://drrachelt.com/uploads/1/3/0/9/130969205/difol.pdf
    • http://thedotspot.org/uploads/1/3/0/6/130620899/00651437440dc16.pdf
    • http://splashsteamboat.com/uploads/1/3/0/4/130488248/rojagijugevoxonevo.pdf
    • http://blackpreacherinawhitetown.com/uploads/1/3/0/4/130435712/padepiz.pdf
    • http://www.earthspiritpath.net/uploads/1/3/0/3/130323937/puwezorosuvufe-lazirumenivetom-kepumotetigita.pdf
    • http://cpanel.genelco-inc.com/uploads/1/3/0/8/130874573/pavesepolubikiz.pdf
    • http://nelastyles.net/uploads/1/3/0/4/130489159/sidumu.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000709c.bin
9dad24f9ff8e0cb2628d73557eb2ec6c6ec1d6ccf8584cca1e733a9c6da18aad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x709C 7672 bytes

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