Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a1765550274ee06…

MALICIOUS

PDF

43.5 KB Created: 2020-08-20 05:01:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 49fd8dd6b8b0810b2b6627fe80b71c55 SHA-1: 49ab02e0caabc66c36e3e6c52645f1267ec8fa22 SHA-256: 2a1765550274ee06792aa0bfc1154f107e3c9b97a0b8ae1c152ec0250fc6c584
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, a common tactic for SEO link farms and redirecting users to malicious sites. The primary link, 'https://ttraff.com/pify?keyword=devexpress+xtrareport+set+datasource+runtime', is flagged as a malicious redirector. This suggests the document's purpose is to trick the user into visiting a compromised or malicious website, likely for further exploitation or credential harvesting.

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=devexpress+xtrareport+set+datasource+runtime
    • http://files.perleysmarinarepair.com/uploads/1/3/2/7/132740730/jupebafaza.pdf
    • http://zitapugi.kimasfashionklosetboutique.shop/uploads/1/3/1/3/131380349/fetidotawuseda-tatudob-butatij-sepulexej.pdf
    • http://files.iesagency.com/uploads/1/3/1/3/131384169/187825.pdf
    • https://cdn.shopify.com/s/files/1/0428/3927/7734/files/82996649264.pdf
    • https://cdn.shopify.com/s/files/1/0438/6488/3355/files/11192054705.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/26369234237.pdf
    • https://cdn.shopify.com/s/files/1/0430/0580/4698/files/42137217331.pdf
    • https://cdn.shopify.com/s/files/1/0432/9983/1968/files/tukuripuve.pdf
    • https://cdn.shopify.com/s/files/1/0437/7713/0647/files/artificial_intelligence_projects_for_computer_science.pdf
    • https://cdn.shopify.com/s/files/1/0431/8298/1278/files/lusukujotovibebajebovedu.pdf
    • https://cdn.shopify.com/s/files/1/0429/2935/6959/files/vasamajo.pdf
    • https://cdn.shopify.com/s/files/1/0434/3198/5309/files/45051710760.pdf
    • https://cdn.shopify.com/s/files/1/0430/8228/5216/files/65777674556.pdf
    • https://cdn.shopify.com/s/files/1/0435/8432/3741/files/nuzofajodosud.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_off00006c7b.bin
17799e203ace83c04a2caa68c76e05f0e27d9016c9b6e69e75bf95c55797db59		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C7B 5312 bytes
font_01_sfnt_off00007e77.bin
9e3897f6279ed4bdc4c84570f88dbb0892076dc6be3a68795457fe27efd9dc70		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E77 10216 bytes

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