Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e73616c4ba69be1…

MALICIOUS

PDF

44.1 KB Created: 2020-08-02 16:17:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6beab22417c6d3f076844559fc823689 SHA-1: 929bfffb5b95052de8dc6fad96ce016f2488f217 SHA-256: 2e73616c4ba69be1275e306d4582d888929bae8d3e2a9f33f1c73f1f876088f1
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The primary purpose appears to be SEO manipulation or redirecting users to potentially harmful content. The presence of the malicious redirector at `https://ttraff.cc/pify?keyword=daniel+rosen+md` is a key indicator of malicious intent.

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.cc/pify?keyword=daniel+rosen+md
    • http://files.msbsocialstudies.com/uploads/1/3/0/7/130776646/vabepukubuzimud-xiwuzaxad.pdf
    • http://files.anniepercussion.com/uploads/1/3/2/7/132740321/disatibe.pdf
    • http://files.bringmorehappy.com/uploads/1/3/1/4/131454355/50bca6bb3839ba1.pdf
    • https://cdn.shopify.com/s/files/1/0432/7692/7142/files/56399138782.pdf
    • https://cdn.shopify.com/s/files/1/0429/3227/3319/files/fomigubetu.pdf
    • https://cdn.shopify.com/s/files/1/0432/6971/8182/files/xolasafopujegajaluki.pdf
    • https://cdn.shopify.com/s/files/1/0428/0667/3574/files/how_much_fractaline_has_been_donated.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mubexuv.pdf
    • https://cdn.shopify.com/s/files/1/0434/7668/0869/files/sivupejemi.pdf
    • https://cdn.shopify.com/s/files/1/0431/3622/1341/files/69614175974.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sosivizugepu.pdf
    • https://cdn.shopify.com/s/files/1/0435/4061/1226/files/limugivenolejetibadikidup.pdf
    • https://cdn.shopify.com/s/files/1/0430/3765/5193/files/252422327.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_off00006244.bin
7e5b510f694113bf553689c65a6ea47a7cfab33eadbf646008ff6bf02ef8a8f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6244 4972 bytes
font_01_sfnt_off00007316.bin
a2fab2569950cfd99b6ee868a2d3d3289c03a376cc97409db9c30880a211a7e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7316 15628 bytes

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