Malicious PDF — malware analysis report

Static analysis result for SHA-256 4719e9e41922cf1c…

MALICIOUS

PDF

49.4 KB Created: 2020-08-30 07:25:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dad447ea44a457a172ab1e063fa85142 SHA-1: 8b4b6cdb1bf7ad1d16f445ba9867d0833f49f5dd SHA-256: 4719e9e41922cf1cf603d09c37a549adffca6560eaf56f268b65c190a0ad049c
128 Risk Score

Malware Insights

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

The PDF contains a clear call-to-action to download a movie, which is a common lure. It links to a malicious redirector at 'https://ttraff.cc/wix?keyword=download+hate+story+3+full+movie+in', indicating a phishing or malware distribution attempt. The PDF also contains a large number of links to other PDFs, likely for SEO manipulation to improve search engine ranking for 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.cc/wix?keyword=download+hate+story+3+full+movie+in
    • https://static.usrfiles.com/ugd/b8c837_9e56ba57024c4abaab5d3aeeff22a8d2.pdf
    • https://static.usrfiles.com/ugd/b8c837_574a705aa07d4f799105fe34f2ab17ff.pdf
    • https://static.usrfiles.com/ugd/b8c837_fdf5f146ca094003854c4e8304bba7de.pdf
    • https://cdn.shopify.com/s/files/1/0432/6640/8603/files/alkyl_halides_mcqs.pdf
    • https://cdn.shopify.com/s/files/1/0438/3938/9856/files/65954982769.pdf
    • https://cdn.shopify.com/s/files/1/0429/2830/8387/files/39302227327.pdf
    • https://static.usrfiles.com/ugd/d1c05f_67d30acf5a6943ba9ae03a370e4439ea.pdf
    • https://static.usrfiles.com/ugd/b8c837_a6ed77a08ea746e39774dbfc7ea47fd7.pdf
    • https://cdn.shopify.com/s/files/1/0430/3355/9203/files/langman_s_medical_embryology_14th_edition_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0436/4645/1862/files/aia_insurance_malaysia_claim_form.pdf
    • https://cdn.shopify.com/s/files/1/0432/7302/7749/files/pibujoripukogiduwav.pdf
    • https://cdn.shopify.com/s/files/1/0434/6360/6429/files/didemimebaropimudalizu.pdf
    • https://cdn.shopify.com/s/files/1/0437/5907/5477/files/ways_to_communicate_effectively_in_the_workplace.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000827a.bin
a3819aa11f1d89dbfcf2e538eb82462c949de7fca7506bf2f820c55c2f01cb5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x827A 5564 bytes
font_01_sfnt_off00009557.bin
17c0d12fbfc472f865423dc1e918aedc03ea900e230514003defdfe9df29ad5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9557 10352 bytes

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