Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b202d9d563ba24d…

MALICIOUS

PDF

49.7 KB Created: 2020-08-30 20:15:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f0fd62488ca80ac8c0831ea994cbff57 SHA-1: a18f87ba15a0597820169fe2a1a2fa717c1f93c1 SHA-256: 1b202d9d563ba24d5da4488ca4513812b965ca00c630d64c34ec0b5f0818be4b
130 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one URL pointing to known malicious redirector infrastructure. The document body text, though heavily obfuscated, contains a reference to 'the dhandho investor pdf free download' and a URL that aligns with the malicious redirector heuristic. This suggests a phishing or scam attempt designed to trick users into downloading further malicious content.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/wix?keyword=the+dhandho+investor+pdf+free+download
    • https://cdn.shopify.com/s/files/1/0434/5063/0296/files/bomoberokotorotezek.pdf
    • https://cdn.shopify.com/s/files/1/0431/4667/4336/files/bioremediation_of_crude_oil_contaminated_soil.pdf
    • https://cdn.shopify.com/s/files/1/0432/5385/8472/files/satellite_communication_objective_type_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0428/9848/9503/files/berner_20_joints_download.pdf
    • https://static.usrfiles.com/ugd/455f95_f196b57d588f4039b6adb09ba7198b70.pdf
    • https://static.usrfiles.com/ugd/913720_59a160f531ad413e8e4867fa37e65abd.pdf
    • https://static.usrfiles.com/ugd/8b2c09_6e82362e372842f194a013cbfc6ca0df.pdf
    • https://static.usrfiles.com/ugd/b8c837_c45b466862d24e3e9a3067ae7ffe2457.pdf
    • https://static.usrfiles.com/ugd/b8c837_d67b4c963fb44659a47360a24d2ee498.pdf
    • https://static.usrfiles.com/ugd/b8c837_b7566470a67f4d2f9b2a0e6f8c7a8f65.pdf
    • https://static.usrfiles.com/ugd/764aaa_1fdc3697427e4e39990c11be05ed41ee.pdf
    • https://cdn.shopify.com/s/files/1/0431/9395/8560/files/19913693264.pdf
    • https://cdn.shopify.com/s/files/1/0431/7170/9079/files/64836029112.pdf
    • https://cdn.shopify.com/s/files/1/0430/4506/0762/files/joxogipubozawuvifezarob.pdf
    • https://cdn.shopify.com/s/files/1/0433/7015/2088/files/easeus_data_recovery_9.9_cdigo_de_l.pdf
    • https://cdn.shopify.com/s/files/1/0431/7488/7573/files/laptop_acer_aspire_e14_manual.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/
    • https://cdn.shopify.com/s/fil

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000075ab.bin
1374d8ad651bddff0ceae43c87dcd3f6a9fe74d9af51a57b52ea1690661415ca
pdf-font-stream PDF embedded font (sfnt) at offset 0x75AB 5020 bytes
font_01_sfnt_off000086c2.bin
f9724e4d0a66bb852a8e0be318e2d4909fbc404d7ae7c84e008a6be207a8c54f
pdf-font-stream PDF embedded font (sfnt) at offset 0x86C2 10808 bytes
font_02_sfnt_off0000ab28.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f
pdf-font-stream PDF embedded font (sfnt) at offset 0xAB28 4324 bytes