PDF malware analysis — malicious · 1fbc95f7ebcb2e0b

MALICIOUS

PDF

44.3 KB Created: 2020-08-05 15:17:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5e4f6647daf3cddc7b52a518caeac954 SHA-1: 5b53ccbd2d78e8893e017e03024c4cb01785b6e9 SHA-256: 1fbc95f7ebcb2e0b48052f06241702a5f247f9bbf27d7a21ad1ad462628c71ea

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, many pointing to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body text, while garbled, includes the target URL, suggesting the primary purpose is to drive traffic to this malicious site. No scripts were extracted, and the PDF structure itself is the vector for the attack.

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=intermezzo+cavalleria+rusticana+string+quartet+pdf
- http://files.embracemyanmar.com/uploads/1/3/0/8/130814411/koludulasamora-bujozejon-tuvorim.pdf
- http://files.almeria-estates-and-realty.com/uploads/1/3/1/4/131437351/fefozo.pdf
- http://files.visitpresov.com/uploads/1/3/2/3/132302780/xitulen-sejuwu-kagefewufori.pdf
- http://files.brazenshopandstudio.com/uploads/1/3/0/7/130739783/vajatolupimamowez.pdf
- https://cdn.shopify.com/s/files/1/0428/6981/7511/files/71117563033.pdf
- https://cdn.shopify.com/s/files/1/0430/3077/3913/files/turim.pdf
- https://cdn.shopify.com/s/files/1/0433/3273/1030/files/duxejagotaxipijesufidoseg.pdf
- https://cdn.shopify.com/s/files/1/0432/7093/0600/files/43135407542.pdf
- https://cdn.shopify.com/s/files/1/0435/7318/2625/files/xirasimewusuvino.pdf
- https://cdn.shopify.com/s/files/1/0434/5026/9849/files/56945459511.pdf
- https://cdn.shopify.com/s/files/1/0429/4469/2383/files/78056736969.pdf
- https://cdn.shopify.com/s/files/1/0429/0120/9251/files/31256341569.pdf
- https://cdn.shopify.com/s/files/1/0436/2086/0064/files/59737558989.pdf
- https://cdn.shopify.com/s/files/1/0431/6810/4602/files/nujadajifusaropazok.pdf
- https://cdn.shopify.com/s/files/1/0432/9019/8180/files/mokilabovonuka.pdf
- https://cdn.shopify.com/s/files/1/0432/3360/7842/files/feduluwunepoxofa.pdf
- https://cdn.shopify.com/s/files/1/0428/2207/4534/files/vafatireloraseburimorox.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73633131036.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_off00006da7.bin` `cc9cb159098508840097275a5cc75392c1fd0eb689faa527605b81fd7d34db7f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6DA7	5648 bytes
`font_01_sfnt_off000080cf.bin` `f33b97de02e7048cef089c3fa377aca3cf2478637bb9806d1a09b9528a7e00a2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x80CF	10312 bytes

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