PDF malware analysis — malicious · d9eff15b29426614

MALICIOUS

PDF

47.8 KB Created: 2020-08-13 22:25:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3be646553c52dd12bdbfcb49d65ac607 SHA-1: f86153c2104d19055d0b16a699a61a5d4e7ff254 SHA-256: d9eff15b294266149ca5754928feec07c7d13f9ab8e743d1d779219a87e35837

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was identified as malicious due to the presence of numerous embedded links. A critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'ttraff.com'. The document body also contains a large number of links, many hosted on 'cdn.shopify.com', suggesting a link farm designed to obscure the ultimate destination or to distribute malicious content. The primary malicious URL identified is https://ttraff.com/pify?keyword=bucket+list+film+song.

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=bucket+list+film+song
- http://files.sarahgreenall.com/uploads/1/3/1/6/131607027/475909.pdf
- http://files.relinksoutheast.org/uploads/1/3/0/7/130775916/6582419.pdf
- http://files.yarns-ewell-love.com/uploads/1/3/1/3/131380163/315a693d299a69.pdf
- http://files.outdoorfitnesssligo.com/uploads/1/3/0/8/130874678/a4a84b9890e37fd.pdf
- http://files.missouri-al-anon.org/uploads/1/3/2/6/132695200/8518029.pdf
- https://cdn.shopify.com/s/files/1/0432/5693/8664/files/73938281715.pdf
- https://cdn.shopify.com/s/files/1/0435/5905/9615/files/waximofijefires.pdf
- https://cdn.shopify.com/s/files/1/0437/8063/6821/files/find_in_array_php.pdf
- https://cdn.shopify.com/s/files/1/0431/7049/6672/files/sogudenene.pdf
- https://cdn.shopify.com/s/files/1/0439/4231/4152/files/punctuation_rules_and_examples.pdf
- https://cdn.shopify.com/s/files/1/0430/3480/4375/files/41156762352.pdf
- https://cdn.shopify.com/s/files/1/0433/5930/5880/files/periodicity_notes.pdf
- https://cdn.shopify.com/s/files/1/0433/2063/9646/files/xegozazujafalanufesaj.pdf
- https://cdn.shopify.com/s/files/1/0432/3111/7467/files/jfet_canal_n.pdf
- https://cdn.shopify.com/s/files/1/0428/0333/1231/files/folatezibox.pdf
- https://cdn.shopify.com/s/files/1/0454/4344/8990/files/pluriel_des_adjectifs_de_couleur.pdf
- https://cdn.shopify.com/s/files/1/0428/0126/6851/files/megad.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_off00007f8e.bin` `3759c19cbe442617d244826b2bc6e2b7256c136c80fa7baa7801f2cd0113dc8d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F8E	5008 bytes
`font_01_sfnt_off00009090.bin` `ca13e403b557228741efe0bd0ae6bd32b813c7237cc32b52756b30499d689e0a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9090	9792 bytes

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