PDF malware analysis — malicious · 970e2db3171760c5

MALICIOUS

PDF

35.6 KB Created: 2020-08-09 09:09:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4a6e2bcc1e0a3eba4d1d89b6a457b176 SHA-1: dc403f33b9fce329f94ad28fa4c7742d112c802f SHA-256: 970e2db3171760c55cdf5d94b8e817b926713b13ae97970d6dc8aaee6bd8a07d

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to a redirector service (ttraff.com) and appear to be part of a link farm designed to manipulate search engine results. The document body contains garbled text but includes the URL that triggered the redirector heuristic. The presence of numerous links, including one to a known malicious redirector, strongly suggests a social engineering attack aimed at driving traffic to malicious sites.

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=cardiologia+guadalajara+6ta+edicion+pdf
- http://tozun.shakeituptheatre.com/uploads/1/3/1/3/131398591/ragukififenezalaxur.pdf
- http://files.zardie.com.au/uploads/1/3/2/6/132681954/jitaratojusegelujupu.pdf
- http://taxeruga.riverbendmenscamp.com/uploads/1/3/1/8/131856372/9d720c280a6.pdf
- http://files.wildflourgrocer.com/uploads/1/3/0/7/130775730/vofij.pdf
- http://dunadojob.manzanitaspreschool.org/uploads/1/3/0/7/130776257/7949776.pdf
- https://cdn.shopify.com/s/files/1/0433/4243/0362/files/51542973961.pdf
- https://cdn.shopify.com/s/files/1/0434/1566/6849/files/jumuzujureluluzasedenogi.pdf
- https://cdn.shopify.com/s/files/1/0441/1860/5976/files/mesodewemefatoxafem.pdf
- https://cdn.shopify.com/s/files/1/0430/3791/7335/files/83768280614.pdf
- https://cdn.shopify.com/s/files/1/0434/7222/4421/files/zolekadoranegasovaw.pdf
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/37440073330.pdf
- https://cdn.shopify.com/s/files/1/0432/6536/0027/files/vekoz.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/xazoreme.pdf
- https://cdn.shopify.com/s/files/1/0430/8838/0061/files/17393692489.pdf
- https://cdn.shopify.com/s/files/1/0432/9455/6324/files/reverse_of_log.pdf
- https://cdn.shopify.com/s/files/1/0430/4135/7973/files/bopewotisovaf.pdf
- https://cdn.shopify.com/s/files/1/0434/2261/3655/files/45813469621.pdf
- https://cdn.shopify.com/s/files/1/0438/7989/1099/files/63072385352.pdf
- https://cdn.shopify.com/s/files/1/0430/0704/9887/files/remove_duplicates_in_list_python.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_off00004cb8.bin` `e262338a05e892b499092abc77fc5e0a94cb71791eb30e0321a6983e56314ecd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4CB8	5280 bytes
`font_01_sfnt_off00005ec1.bin` `dc9638a47a4e0a0e232129d62706f1ccf1a5eb06798f6175480af9ea87a51425`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EC1	10120 bytes

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