PDF malware analysis — malicious · a78dd1c74e1429b4

MALICIOUS

PDF

35.6 KB Created: 2020-08-09 17:02:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9d2bc08e0e490de764e7b5dbeaa3eb39 SHA-1: 472e2b59bfc4d751c87081812473b5dde6030bf4 SHA-256: a78dd1c74e1429b486a8bc045899a5d573972a743ead71209626e85af7596484

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged as malicious by multiple heuristics, including a critical alert for a malicious redirector link and a link farm. The document body contains embedded URLs, with the primary suspicious URL being a redirector service. This suggests the PDF is designed to lure users into clicking malicious links, likely leading to further compromise.

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.cc/pify?keyword=test+present+perfect+simple+pdf
- http://goxipet.natalieeskewfitness.com/uploads/1/3/0/9/130969744/rogav.pdf
- http://xovafafa.umbrellaboxes.com/uploads/1/3/0/7/130775432/5fbc4b3cef59962.pdf
- http://files.astrologyoncall.com/uploads/1/3/2/6/132683014/fezudiden-robeze.pdf
- http://vudetafu.briorecordings.net/uploads/1/3/1/8/131872225/3a906a9c8.pdf
- https://cdn.shopify.com/s/files/1/0429/5802/8959/files/4118379005.pdf
- https://cdn.shopify.com/s/files/1/0427/5663/6828/files/60703306393.pdf
- https://cdn.shopify.com/s/files/1/0431/9654/7232/files/30726801649.pdf
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/alice_in_wonderland_book_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43106273748.pdf
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/basic_life_support_malaysia_2020.pdf
- https://cdn.shopify.com/s/files/1/0435/4444/5092/files/newejituduwaj.pdf
- https://cdn.shopify.com/s/files/1/0431/6577/8080/files/proyecto_de_ley_esi_2020.pdf
- https://cdn.shopify.com/s/files/1/0432/6732/6110/files/18804807984.pdf
- https://cdn.shopify.com/s/files/1/0431/7190/5698/files/xaloraluregoxijezer.pdf
- https://cdn.shopify.com/s/files/1/0434/4401/1168/files/ski_doo_mxz_trail_schematics.pdf
- https://cdn.shopify.com/s/files/1/0433/2906/1014/files/8182654477.pdf
- https://cdn.shopify.com/s/files/1/0450/5577/0776/files/emotional_intelligence_2._0_travis_bradberry_download.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_off00004e63.bin` `01febf2ef89029d147dbeb917519eabf6913ab2971fcfd8aec6cfc100ebd2d31`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4E63	5040 bytes
`font_01_sfnt_off00005f78.bin` `1cb8a3a72c0f69f4deb495380f34b865f8aa97a91e86d259d50e0abc9e92e790`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F78	10060 bytes

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