Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5525978bcd1151d…

MALICIOUS

PDF

45.5 KB Created: 2020-09-16 19:08:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1a2582fb455214c79691f9058b9c2e09 SHA-1: 43229345e1f25e8f9bf124c5b23ae45f4003aa25 SHA-256: d5525978bcd1151d72e23c5645f7f921675aa7a9546ad349f66b43907949a27e
128 Risk Score

Malware Insights

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

The PDF file contains a lure for a 'Universal a guide to the cosmos pdf download' and embeds numerous links. Several of these links point to known malicious redirector infrastructure, indicating a phishing or scam attempt. The presence of a visual download button further supports the deceptive nature of the document. 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.
  • 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.me/wix?keyword=universal+a+guide+to+the+cosmos+pdf+download
    • http://files.buythef-ckingdip.com/uploads/1/3/1/4/131453588/bomorujiza_dokipufawu.pdf
    • http://zoguzipe.saaqld.com/uploads/1/3/1/8/131871395/bomofinatek_vatoxevu_fuseremebaxu_levutarejuduluv.pdf
    • http://gazakot.davisbaybc.com/uploads/1/3/0/9/130969080/851818.pdf
    • http://fuwes.glummonkey.com/uploads/1/3/0/8/130814328/8301242.pdf
    • http://gafazetab.excellenthomedecor.com/uploads/1/3/1/4/131438563/daxedorewetagimuwude.pdf
    • http://mikawawid.compassengut.com/uploads/1/3/2/7/132712336/5870094.pdf
    • https://6a70fd53-5106-4520-8e2b-3d7fb08d5540.filesusr.com/ugd/696117_bd586cd2b9114cf78ca205908a5c1ddb.pdf?index=true
    • https://82fe02ae-7a84-48c4-9911-b7109711347c.filesusr.com/ugd/9f06f8_046d27b0aaee4c1f9055fccdaa23668f.pdf?index=true
    • https://7e2608d0-98cc-4ada-96bf-be5c2bf1142b.filesusr.com/ugd/24d943_ad05b2bc6b864169b65fbebcb5ecf8c4.pdf?index=true
    • https://0df25c1c-d644-42c3-af30-5bbe8707d317.filesusr.com/ugd/61b8bf_c8118d4af4014ade9b418613f8294d77.pdf?index=true
    • https://13ab3858-f315-48ae-ba03-e42a3130f1f2.filesusr.com/ugd/dec231_2569af983b434b589d2611ac81ac349f.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0440/5349/5958/files/bobbi_brown_makeup_manual_waterstones.pdf
    • https://cdn.shopify.com/s/files/1/0431/4929/5776/files/best_astronomy_app_android_2017.pdf
    • https://cdn.shopify.com/s/files/1/0429/6887/5157/files/13804911313.pdf
    • https://cdn.shopify.com/s/files/1/0431/2891/4074/files/locally_sourced_cuba_tour_guides.pdf
    • https://cdn.shopify.com/s/files/1/0431/1518/4277/files/73398748372.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_off0000718a.bin
9db3fd925e210684dc12c1a373bf42aad046433a96d6a0f40c2d27c3087ed867
pdf-font-stream PDF embedded font (sfnt) at offset 0x718A 5712 bytes
font_01_sfnt_off000084e6.bin
07764689ff52b0738c6f15cbed808c430f2455bc00abc188e10bf8bf48ae8999
pdf-font-stream PDF embedded font (sfnt) at offset 0x84E6 10636 bytes