Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9d8b019087d2b91…

MALICIOUS

PDF

115.7 KB Created: 2020-08-04 05:31:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 780616e91a233951eecbef5dc8cb9ab8 SHA-1: d7c98b69250594f8b3ab14adc47ada2ded47a41d SHA-256: d9d8b019087d2b91a7f3683e13213ac55fbf4c7c034ff06395efbd5b2b095d9d
160 Risk Score

Malware Insights

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

The PDF file contains a link farm and a specific URL that redirects to malicious infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the target URL and suggests a lure related to 'alexandria egypt map pdf'. The SE_LOLBIN_RUN_COMMAND heuristic indicates the potential for command execution, likely to facilitate the redirection or download of further payloads.

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.
  • Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND
    Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
  • 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.ru/pify?keyword=alexandria+egypt+map+pdf
    • http://files.ycducky.com/uploads/1/3/0/7/130776088/63e2224eb156b1b.pdf
    • http://files.sofiaahmad.com/uploads/1/3/0/8/130873893/b4dc5.pdf
    • http://files.uniquestationers.com/uploads/1/3/2/8/132814433/xolojabuxarose.pdf
    • http://files.acmdev.net/uploads/1/3/0/7/130740183/xupakegonesofa_betajokakiduxa_pisoj_burogidoxivujuf.pdf
    • http://files.evenaberle.studio/uploads/1/3/0/7/130739415/pepazekukutemosapen.pdf
    • https://cdn.shopify.com/s/files/1/0430/2936/4889/files/50880045535.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73875000904.pdf
    • https://cdn.shopify.com/s/files/1/0436/1460/1378/files/74267928188.pdf
    • https://cdn.shopify.com/s/files/1/0431/2514/5754/files/mamezaluwajigipenizubive.pdf
    • https://cdn.shopify.com/s/files/1/0430/2402/3715/files/kutuxar.pdf
    • https://cdn.shopify.com/s/files/1/0434/5665/9621/files/rukidezaniluxalivobafax.pdf
    • https://cdn.shopify.com/s/files/1/0432/3504/9640/files/48783009691.pdf
    • https://cdn.shopify.com/s/files/1/0448/4258/2176/files/public_administration_review.pdf
    • https://cdn.shopify.com/s/files/1/0428/7404/4579/files/bijipifudig.pdf
    • https://cdn.shopify.com/s/files/1/0437/7188/7767/files/big_data_analytics_course_syllabus.pdf
    • https://cdn.shopify.com/s/files/1/0432/3606/5438/files/lifobifibigotimab.pdf
    • https://cdn.shopify.com/s/files/1/0432/0067/5995/files/lanetod.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_off00013ac2.bin
718361a5cbc0c6b9d52aa7ddd838a0d876a783abaf678965c264e9d097cddb71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13AC2 7852 bytes
font_01_sfnt_off00014f7d.bin
7ac194890ccfbd53c14dacf83e63ea7cf2affa8224ebd2b7887108cfe68432ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14F7D 5344 bytes
font_02_sfnt_off000161a8.bin
c000a4848663d19622a79701c9ef87e0e949d3b097983377bd4133d07d01b5bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x161A8 20888 bytes
font_03_sfnt_off00019fdb.bin
74031a0434606d0ff99625134396ce14e788aa09a16abed222243b41dbf2baea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19FDB 19832 bytes

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