Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7189ceca3070a31…

MALICIOUS

PDF

51.4 KB Created: 2020-08-15 06:17:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 632908b088be60f9006bcc5496a2d9ab SHA-1: 4e7b0ed29fc3eb1a7d0f05deb53dd185e05de828 SHA-256: f7189ceca3070a31af5aedae4cbb3a2d6699d7e6ec5d749391bd2ff4346e062b
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=mobogenie+apk+android+7.+0'. This URL is presented within the document body, disguised as a download for 'Mobogenie apk android 7.0', indicating a social engineering lure. The file also exhibits a PDF link farm heuristic, with numerous links pointing to various PDFs hosted on Shopify, suggesting an attempt to manipulate search engine results or distribute content broadly. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • 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=mobogenie+apk+android+7.+0
    • http://files.cjstravelconnections.com/uploads/1/3/0/7/130776895/fagisujo.pdf
    • http://fasav.debopersians.com/uploads/1/3/1/4/131454178/najoz-gozinar-sukaguwor-xezakatulen.pdf
    • http://jiwovumot.scifilms.co.nz/uploads/1/3/0/8/130873826/ca7044b.pdf
    • https://cdn.shopify.com/s/files/1/0437/9141/7495/files/movies_in_saginaw_mi.pdf
    • https://cdn.shopify.com/s/files/1/0428/8669/3023/files/35754009944.pdf
    • https://cdn.shopify.com/s/files/1/0433/4885/2894/files/host_files_windows_10.pdf
    • https://cdn.shopify.com/s/files/1/0432/3092/0871/files/19122807181.pdf
    • https://cdn.shopify.com/s/files/1/0433/3414/0072/files/53993680801.pdf
    • https://cdn.shopify.com/s/files/1/0431/8471/7979/files/audited_balance_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0430/0252/7897/files/batching_plant_project.pdf
    • https://cdn.shopify.com/s/files/1/0434/9794/7300/files/upload_file_in_reactjs.pdf
    • https://cdn.shopify.com/s/files/1/0446/7389/2515/files/five_stages_of_grieving.pdf
    • https://cdn.shopify.com/s/files/1/0433/5455/4533/files/najatawuxomogo.pdf
    • https://cdn.shopify.com/s/files/1/0436/5543/0309/files/cash_flow_statement_solved_problems_with_adjustments.pdf
    • https://cdn.shopify.com/s/files/1/0433/1218/5494/files/falegupekewozera.pdf
    • https://cdn.shopify.com/s/files/1/0428/6952/2599/files/alkaline_vs_acidic_foods.pdf
    • https://cdn.shopify.com/s/files/1/0436/6280/3097/files/35085520123.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_off000066bc.bin
7857149c6cf7ddf9a655751c9f5d77cb45529d940bbd1986a84ea51c0dca70a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66BC 5088 bytes
font_01_sfnt_off00007812.bin
0a5bce2511370b832e9962b35b22e4cf538c7454cbcdb2d3184c6221c0be8fda		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7812 10684 bytes
font_02_sfnt_off00009ccb.bin
39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9CCB 16092 bytes
font_03_sfnt_off0000b192.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB192 4324 bytes

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