Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe2f0c3bd955c1e2…

MALICIOUS

PDF

114.3 KB Created: 2020-08-05 13:28:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5846eca3c84f3d565c88f4960ea2a5d2 SHA-1: d1adc691ff5701307219261b32dac7e15af306eb SHA-256: fe2f0c3bd955c1e2605bd53c225e898c9c7a5fb790adb26c0259b51b29d7cd36
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=icao+annex+10+vol+2+pdf'. Additionally, it exhibits a PDF link farm heuristic, with numerous links, many hosted on Shopify, suggesting an attempt to manipulate search engine results or distribute content. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the lure.

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=icao+annex+10+vol+2+pdf
    • http://files.alliancewatergroup.com/uploads/1/3/2/7/132740457/a776c7a2c971.pdf
    • http://gutufu.pixelsblogusa.com/uploads/1/3/1/4/131453177/jofolulozede_zosivamusobates_ranuporojusalo_baxenetep.pdf
    • http://zutik.sharonthelibrarian.com/uploads/1/3/1/0/131070767/1796066.pdf
    • https://cdn.shopify.com/s/files/1/0438/2969/0525/files/holt_science_and_technology_earth_science.pdf
    • https://cdn.shopify.com/s/files/1/0429/8611/1137/files/52390749463.pdf
    • https://cdn.shopify.com/s/files/1/0431/6997/2384/files/dasomumamudufixigopip.pdf
    • https://cdn.shopify.com/s/files/1/0431/0899/1140/files/zilusopexazeruwe.pdf
    • https://cdn.shopify.com/s/files/1/0428/7863/2095/files/58131803952.pdf
    • https://cdn.shopify.com/s/files/1/0438/4302/7106/files/cantilever_building_structure.pdf
    • https://cdn.shopify.com/s/files/1/0437/0163/3177/files/lonegudefadomofexizi.pdf
    • https://cdn.shopify.com/s/files/1/0436/3563/8425/files/borizatefimoweradevodog.pdf
    • https://cdn.shopify.com/s/files/1/0431/9179/5875/files/39311531353.pdf
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/29941781507.pdf
    • https://cdn.shopify.com/s/files/1/0438/4607/4525/files/blender_select_face.pdf
    • https://cdn.shopify.com/s/files/1/0429/3620/5479/files/92550547505.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_off0001859e.bin
901414ef11e6b7ace03e133bd91798db3e17dd6fee970f35372a4d6738b42dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1859E 5264 bytes
font_01_sfnt_off000197b5.bin
1a72fe8f404a7fb5df98f673644db2c8735addaa85e6ab43c80445aa0d80cf30		 pdf-font-stream PDF embedded font (sfnt) at offset 0x197B5 10660 bytes

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