Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2ce2b9d7b4e5ba5…

MALICIOUS

PDF

45.0 KB Created: 2020-08-05 17:57:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 693e2fe78060bc60f2ec89b44b8ba4ee SHA-1: 2c26670420832c05837b8e1ade3efca1785c0f9a SHA-256: a2ce2b9d7b4e5ba50881263852fc3538b62fb87ae1b8aef7d98b3461722d186c
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.com. This URL is embedded within the document body, suggesting a lure to trick the user into clicking it. The presence of numerous other links, many pointing to Shopify domains, indicates a link farm strategy to obscure the malicious destination. 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=behaviorismo+radical+o+que+%25C3%25A9+pdf
    • http://loxigiz.islandercars.com/uploads/1/3/0/9/130969352/1127415.pdf
    • http://files.aroundthebrowns.com/uploads/1/3/1/0/131070317/fulal_bovubovemava_fuvagito_nururili.pdf
    • http://files.wctcca.com/uploads/1/3/0/7/130776499/b3b4cfbd7.pdf
    • https://cdn.shopify.com/s/files/1/0431/0263/4148/files/sejiwivosex.pdf
    • https://cdn.shopify.com/s/files/1/0428/0818/0895/files/fodogebasexulagiw.pdf
    • https://cdn.shopify.com/s/files/1/0427/8275/2935/files/27743418863.pdf
    • https://cdn.shopify.com/s/files/1/0430/0803/2922/files/zubunadudegimagamipi.pdf
    • https://cdn.shopify.com/s/files/1/0431/0745/1029/files/pengertian_organisme_pengganggu_tanaman.pdf
    • https://cdn.shopify.com/s/files/1/0432/6418/0390/files/89405787188.pdf
    • https://cdn.shopify.com/s/files/1/0431/8245/7000/files/6172285624.pdf
    • https://cdn.shopify.com/s/files/1/0440/7531/9448/files/92881777321.pdf
    • https://cdn.shopify.com/s/files/1/0431/6450/0122/files/apoplexie_pituitaire.pdf
    • https://cdn.shopify.com/s/files/1/0432/2725/0850/files/96006838601.pdf
    • https://cdn.shopify.com/s/files/1/0435/9664/4511/files/zarowi.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_off00006e7b.bin
67b8b122456f4dce5a810e5ececc1cf812f936ea71d6e1340236e722751e32ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E7B 5772 bytes
font_01_sfnt_off000081b3.bin
186b68d317512a28912c610b7e6f7ff87c2a4ebc1f7087b37d8a167ca3e62bbc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x81B3 10604 bytes

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