Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbeddd0d79fdf1f7…

MALICIOUS

PDF

46.2 KB Created: 2020-07-24 18:10:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e2d3a1bdf8946bf61e17922f45d834ef SHA-1: cdb8dcab5df3ea60a20d94de80338419d35dbc6a SHA-256: cbeddd0d79fdf1f73cdb116293ad83b69549346e293fe6fadd5b2c23f20f0d5e
150 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious intent, including a critical finding of a malicious redirector link and a PDF link farm. The document body, though heavily obfuscated, contains text that may be part of a lure. The presence of numerous external links, many pointing to `cdn.shopify.com` and other domains, suggests an attempt to direct users to malicious content or phishing pages. The `ttraff.com` URL is flagged as a malicious redirector.

Heuristics 5

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=guideline+value+thanjavur
    • http://files.dominiquecheylise.com/uploads/1/3/0/7/130739043/wekezugafejivavome.pdf
    • http://files.upcountryfarms.com/uploads/1/3/2/6/132680949/bfe32cf4fb2c05.pdf
    • http://files.childspiritconsignment.com/uploads/1/3/1/3/131398135/a7554295.pdf
    • http://files.clarkcountyfairar.com/uploads/1/3/2/6/132682295/remiparajuwukurefufa.pdf
    • http://files.charliemoonstudio.com/uploads/1/3/0/7/130775174/18c92f71bba04.pdf
    • http://files.chil
    • https://cdn.shopify.com/s/files/1/0437/9938/0130/files/63627381501.pdf
    • https://cdn.shopify.com/s/files/1/0429/7850/8953/files/pakubetolat.pdf
    • https://cdn.shopify.com/s/files/1/0429/8833/9361/files/71635513951.pdf
    • https://cdn.shopify.com/s/files/1/0428/2561/3468/files/58898178790.pdf
    • https://cdn.shopify.com/s/files/1/0435/1341/3786/files/lolopap.pdf
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/73209628005.pdf
    • https://cdn.shopify.com/s/files/1/0437/8922/2045/files/savomutemilo.pdf
    • https://cdn.shopify.com/s/files/1/0430/9037/8909/files/bopitobifo.pdf
    • https://cdn.shopify.com/s/files/1/0431/8802/7543/files/85610219830.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tulajemo.pdf
    • https://cdn.shopify.com/s/files/1/0432/7197/9172/files/93224003585.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/malerofefamizekigo.pdf
    • https://cdn.shopify.com/s/files/1/0435/5312/8612/files/xinalonubanibi.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_off00007827.bin
9c69f512d50a2d1c2d2ec892faca4b904e9d2dfe6b7659c3aa112e20fcc984bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7827 4672 bytes
font_01_sfnt_off000087fd.bin
7aefd6a8f0d3160ed166b9120154c9a178719d191853e85eb3e1259a6bae045f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x87FD 10536 bytes

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