PDF malware analysis — malicious · de441e342de3d269

MALICIOUS

PDF

44.5 KB Created: 2020-08-08 23:30:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 602c70577ae4a8dce449f0caf93436d7 SHA-1: 30e90e144e31b4d4d534ef8f9cfa2636dafac3c3 SHA-256: de441e342de3d2697b4b139fe465a87311fdd1a003446324cfd575ba366a8260

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is used to lure users to potentially malicious content. The document body, though heavily obfuscated, contains the target URL, indicating the primary intent is to drive traffic to this redirector.

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=geothermal+energy+advantages+and+disadvantages+pdf
- http://xuvejufiz.wolfpups.org/uploads/1/3/1/4/131483281/saruwurituwuber.pdf
- http://files.meganwords.com/uploads/1/3/0/7/130776225/raserak-taxajenamoz-nikifivopaja.pdf
- http://files.sewmanystitchesvt.com/uploads/1/3/1/8/131857890/balegot.pdf
- https://cdn.shopify.com/s/files/1/0439/7439/4014/files/tipobitugomuropoxa.pdf
- https://cdn.shopify.com/s/files/1/0435/5781/4431/files/zawody_po_angielsku_wiczenia_dla_dzieci.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nimapudusakodinufuzexive.pdf
- https://cdn.shopify.com/s/files/1/0431/2550/6208/files/b._u._m._s_syllabus.pdf
- https://cdn.shopify.com/s/files/1/0429/5639/0559/files/hi_state_abbreviation.pdf
- https://cdn.shopify.com/s/files/1/0431/8176/8864/files/27042888174.pdf
- https://cdn.shopify.com/s/files/1/0430/7160/2855/files/pidotigorotedakexodajidul.pdf
- https://cdn.shopify.com/s/files/1/0432/5448/1056/files/88464235347.pdf
- https://cdn.shopify.com/s/files/1/0440/8279/0552/files/php_combine_arrays.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50398535586.pdf
- https://cdn.shopify.com/s/files/1/0433/6713/7438/files/75421723950.pdf
- https://cdn.shopify.com/s/files/1/0429/2627/6775/files/22304563068.pdf
- https://cdn.shopify.com/s/files/1/0431/9494/1603/files/11415028308.pdf
- https://cdn.shopify.com/s/files/1/0432/1820/6887/files/7477539875.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_off00006ed7.bin` `8a809f5f708259443f5b8d2cf3a3f0e984aec1502ccef4e70263a0e87f4733ef`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6ED7	5648 bytes
`font_01_sfnt_off000081ec.bin` `6b5e13b3df6128302b215f7020a9c8ef1b434de4096a57836a1f31acf22e4905`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81EC	10180 bytes

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