PDF malware analysis — malicious · bd35dafa686fa4bb

MALICIOUS

PDF

43.3 KB Created: 2020-08-06 11:54:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b0cbc5986118c5521b71fcf15eb21081 SHA-1: 455a97e5ada5896eb0017b89c2e083ce3bbd50af SHA-256: bd35dafa686fa4bb6b03223c6a378ec5462c4b7269918c9dd015338edec7d564

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=charismatic+leadership+tactics+pdf'. This redirector likely leads to further malicious content or malware. The document also exhibits characteristics of a link farm, with many links pointing to external PDF files, suggesting a broad distribution or phishing campaign. No scripts were extracted, but the PDF structure and embedded links strongly indicate a malicious intent to redirect users to harmful content.

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.com/pify?keyword=charismatic+leadership+tactics+pdf
- http://files.jeffdirects.com/uploads/1/3/0/8/130874585/28af8430.pdf
- http://files.elephantpaintings4you.com/uploads/1/3/1/4/131454219/9051096.pdf
- http://files.petlemur.com/uploads/1/3/0/7/130739616/3266030.pdf
- http://files.saintclairstorage.com/uploads/1/3/0/7/130775853/bogofuxe.pdf
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/nonomijorodazazob.pdf
- https://cdn.shopify.com/s/files/1/0432/8731/4585/files/leluxakiloruroda.pdf
- https://cdn.shopify.com/s/files/1/0430/9755/5108/files/xaxotasimazodufosigefaxuf.pdf
- https://cdn.shopify.com/s/files/1/0430/2825/0781/files/174829664.pdf
- https://cdn.shopify.com/s/files/1/0431/8153/9483/files/76586165031.pdf
- https://cdn.shopify.com/s/files/1/0430/7510/9018/files/antepartum_hemorrhage_acog.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90278046640.pdf
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/tixarufaduju.pdf
- https://cdn.shopify.com/s/files/1/0433/0265/0014/files/rirulosifetamebiga.pdf
- https://cdn.shopify.com/s/files/1/0436/8157/9161/files/vupaxosedosuvogiganobuxab.pdf
- https://cdn.shopify.com/s/files/1/0439/0476/2011/files/64998032529.pdf
- https://cdn.shopify.com/s/files/1/0431/5804/4828/files/40457837744.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006bfe.bin` `e759c8e230cc2c1c4411de5a834e354cf0289a2aa0faa9e43d6326d0844263a0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BFE	5300 bytes
`font_01_sfnt_off00007dd2.bin` `4d9ccf7ee78f342c149e254fcea6967ac34796f1c55edf35a5439e44431cf871`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7DD2	10008 bytes

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