Malicious PDF — malware analysis report

Static analysis result for SHA-256 df147037bb59f80c…

MALICIOUS

PDF

51.4 KB Created: 2020-08-22 02:05:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8b0caea08802fcd792156531a9c71a27 SHA-1: 5b0f57566a288efb065e5d5f9b43bff27766c35f SHA-256: df147037bb59f80c3c56c1266311b55e515e2e85eeecae275e5352746d1b60f9
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with one pointing to a known malicious redirector (ttraff.com). The heuristic firings indicate this is a link farm designed to manipulate search results or redirect users. The document body is heavily obfuscated and contains the malicious URL, suggesting a lure to external content. 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=retail+marketing+project+pdf
    • http://zikamo.rawfoodforlife.org/uploads/1/3/0/9/130968996/vabijedemapawovagaz.pdf
    • http://dudavaze.tcfallnationals.com/uploads/1/3/2/3/132302780/finakulekipana.pdf
    • http://dawusug.sashawrighttherapy.com/uploads/1/3/1/4/131438474/e6c456.pdf
    • http://ranoboli.littletreasuresecc.com/uploads/1/3/1/4/131438641/serisemo-mapojomanaxa-tafuzunuk.pdf
    • https://cdn.shopify.com/s/files/1/0432/2469/4942/files/free_cd_ripper.pdf
    • https://cdn.shopify.com/s/files/1/0431/8442/3073/files/file_to_word_converter.pdf
    • https://cdn.shopify.com/s/files/1/0440/8157/8136/files/kusixaderakapix.pdf
    • https://cdn.shopify.com/s/files/1/0431/4647/7722/files/76880062816.pdf
    • https://cdn.shopify.com/s/files/1/0432/3511/5176/files/85971898494.pdf
    • https://cdn.shopify.com/s/files/1/0435/2521/0263/files/circus_circus_gateway_menu.pdf
    • https://cdn.shopify.com/s/files/1/0429/0415/8364/files/tacoma_traffic_cameras.pdf
    • https://cdn.shopify.com/s/files/1/0433/4085/7494/files/56864119993.pdf
    • https://cdn.shopify.com/s/files/1/0436/3576/9497/files/amdal_pembangunan_rumah_sakit.pdf
    • https://cdn.shopify.com/s/files/1/0436/1384/7714/files/99981180664.pdf
    • https://cdn.shopify.com/s/files/1/0434/0645/9029/files/54358721864.pdf
    • https://cdn.shopify.com/s/files/1/0431/5345/7320/files/kurisavosevarevatu.pdf
    • https://cdn.shopify.com/s/files/1/0431/6889/1040/files/6426223100.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_off00008b55.bin
e3132322d121a1377c27e28ba31726e6b49e62a399131d05565b9636f1d87814		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B55 5444 bytes
font_01_sfnt_off00009dc8.bin
021a5472c14a61b429a295a03e79e6ca8fcb426d9cb651959a051a998a2756ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9DC8 10272 bytes

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