PDF malware analysis — malicious · c49e145a0b461632

MALICIOUS

PDF

40.4 KB Created: 2020-08-02 16:16:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4dd793a2e6665ca7e7470a85837e8264 SHA-1: 612d615d96a4273d21fd8d5424b3269717256e2c SHA-256: c49e145a0b461632bd386ebf8ff9f836f0d1e9f6c8cfec4e2694be0300dac535

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=physics+for+scientists+and+engineers+solutions+pdf', suggesting a lure to download or view a fake PDF. The presence of many Shopify-hosted PDF links further indicates a link farm or SEO poisoning tactic to distribute malicious content.

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=physics+for+scientists+and+engineers+solutions+pdf
- http://files.sccavanners.com/uploads/1/3/1/4/131454352/jakipoji.pdf
- http://files.primepropertyfinder.com/uploads/1/3/2/6/132683264/demabijegekifapedo.pdf
- http://files.emhager.com/uploads/1/3/0/8/130874110/zilusujumerilavile.pdf
- http://files.thedelidownstairs.co.uk/uploads/1/3/0/7/130738837/rekanarokibivijizar.pdf
- https://cdn.shopify.com/s/files/1/0434/4122/5880/files/wigaxiputuxemaxaxezewido.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37394074323.pdf
- https://cdn.shopify.com/s/files/1/0432/0857/3085/files/zagirogewawugi.pdf
- https://cdn.shopify.com/s/files/1/0434/3929/2577/files/xiluzemosa.pdf
- https://cdn.shopify.com/s/files/1/0432/7990/9028/files/72215294880.pdf
- https://cdn.shopify.com/s/files/1/0433/0346/9221/files/61780600508.pdf
- https://cdn.shopify.com/s/files/1/0428/2331/9715/files/25445172590.pdf
- https://cdn.shopify.com/s/files/1/0428/9075/6252/files/pituxibimemosejewoba.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nulanevu.pdf
- https://cdn.shopify.com/s/files/1/0439/4637/7374/files/46706087651.pdf
- https://cdn.shopify.com/s/files/1/0440/1584/5541/files/xexuxi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wawufomujemozinabewa.pdf
- https://cdn.shopify.com/s/files/1/0440/3625/9990/files/98493180047.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000051f8.bin` `cca6575940a9360f6a7ad898bedb42e98bf5b0e2c17f66899948ab42c2d4a62e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x51F8	5404 bytes
`font_01_sfnt_off00006443.bin` `3de8035efddf1a5d6a12cbaa6c21b4da70632c2d860bb966210acbc1c21ed9b4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6443	9808 bytes
`font_02_sfnt_off000085c7.bin` `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x85C7	4324 bytes

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