Malicious PDF — malware analysis report

Static analysis result for SHA-256 96014977026aac72…

MALICIOUS

PDF

42.2 KB Created: 2020-09-11 00:18:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 99d8d7e2e7d7399b8ed88fdbf8c75e7d SHA-1: 42bdede07c43f0b29aaad102d8300d2cb57ce88e SHA-256: 96014977026aac72d66f67915c0cb04ac00acfe3cbad7cbfeb88003c5828f8dd
150 Risk Score

Malware Insights

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

The PDF was flagged as malicious due to a critical heuristic identifying it as a redirector link to known malicious infrastructure. It also contains a mass external PDF link farm, suggesting an attempt to obscure the true destination or distribute multiple malicious links. The primary malicious URL identified is https://ttraff.me/wix?keyword=carrello+elevatore+usato+manuale.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.me/wix?keyword=carrello+elevatore+usato+manuale
    • https://static.usrfiles.com/ugd/e5412a_255e7d69011744e48eacad01c71a89e1.pdf
    • https://static.usrfiles.com/ugd/ba2c19_1e720b77592c49c095f7da77bebe2c64.pdf
    • https://static.usrfiles.com/ugd/b8c837_568b5700e054400c9156c8f7122a5a15.pdf
    • https://cdn.shopify.com/s/files/1/0447/9359/4005/files/43566093089.pdf
    • https://cdn.shopify.com/s/files/1/0440/8236/4566/files/nipuzajo.pdf
    • https://cdn.shopify.com/s/files/1/0439/4346/1032/files/ccnp_switch_lab_manual_2nd_edition.pdf
    • https://cdn.shopify.com/s/files/1/0435/6079/6318/files/15224995309.pdf
    • https://static.usrfiles.com/ugd/b8c837_9bb36fedd0e64de69d0081b36b672f7a.pdf
    • https://static.usrfiles.com/ugd/4c76bf_30b21cddb2d6473394f09c4040d53f95.pdf
    • https://static.usrfiles.com/ugd/b8c837_6212f1430b58437d84a577fc1e1c08ef.pdf
    • https://static.usrfiles.com/ugd/a4ea6c_b34f47c3492a4a94b74fd34d79798d80.pdf
    • https://static.usrfiles.com/ugd/7ae8b3_6858944e782e4a0b910ab83327438a67.pdf
    • https://cdn.shopify.com/s/files/1/0435/4726/3131/files/17072625231.pdf
    • https://cdn.shopify.com/s/files/1/0431/7567/4014/files/tesarezow.pdf
    • https://cdn.shopify.com/s/files/1/0432/6552/3862/files/lulogiboloxuf.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_off00006858.bin
7d54d8c69dd7d1a4c7db4370e80c3ae3a6fc282c39e470a685ff134898c2b724		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6858 4796 bytes
font_01_sfnt_off00007890.bin
fc95d06811dcf3a530a3bf0c55357c5414e7bf8fe9fc4b4f7f71fe8390a10325		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7890 10772 bytes

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