PDF malware analysis — malicious · ec22c5b220aa2e51

MALICIOUS

PDF

43.1 KB Created: 2020-08-12 15:52:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 89742bcf29036fe5194db0ed183dc299 SHA-1: faf321584a3ddca2bab9491c018c8039881c0154 SHA-256: ec22c5b220aa2e5179b5010a408d23d0c1c327a93f919614e4a527a5baf834c2

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic identifying a malicious redirector. The document body itself is heavily obfuscated but contains references to the malicious URL and other URLs hosted on Shopify and various file-sharing domains. The primary attack pattern involves redirecting users to malicious infrastructure, likely for further exploitation or credential harvesting.

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=alistair+macleod+short+stories+pdf
- http://files.g3valeting.co.uk/uploads/1/3/1/4/131437680/vonutixepepi.pdf
- http://files.prigitalsolutions.com/uploads/1/3/0/7/130775441/gufaberejud-jufonawav-wixapevaba-gotikex.pdf
- http://files.scotlandmassage.com/uploads/1/3/1/6/131607010/1232f16b9139079.pdf
- http://files.toadtheatre.com/uploads/1/3/0/8/130814529/womowevawik-ragekabaxomef.pdf
- http://bopivexin.revolution-by-distribution.com/uploads/1/3/2/7/132710657/joleraluxupagegasere.pdf
- https://cdn.shopify.com/s/files/1/0436/3304/9753/files/libros_de_lectura_para_aprender_ingles_gratis.pdf
- https://cdn.shopify.com/s/files/1/0438/8293/8520/files/roxotomapizelovavesavu.pdf
- https://cdn.shopify.com/s/files/1/0439/5224/2856/files/zoology_projects_for_class_12.pdf
- https://cdn.shopify.com/s/files/1/0428/1230/9670/files/golden_dawn_tarot.pdf
- https://cdn.shopify.com/s/files/1/0434/4433/8838/files/nujimigefeneb.pdf
- https://cdn.shopify.com/s/files/1/0434/0544/3237/files/libegosed.pdf
- https://cdn.shopify.com/s/files/1/0427/5005/0460/files/liwenote.pdf
- https://cdn.shopify.com/s/files/1/0430/4555/2290/files/polev.pdf
- https://cdn.shopify.com/s/files/1/0432/7034/0772/files/netiwomovak.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dojezurin.pdf
- https://cdn.shopify.com/s/files/1/0439/6243/3694/files/gejala_hepatoma.pdf
- https://cdn.shopify.com/s/files/1/0428/2246/7740/files/31579227989.pdf
- https://cdn.shopify.com/s/files/1/0435/7400/1825/files/arauco_mdf_catalogo_2020.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_off00006c37.bin` `c1b0bc3176ea378ffcedb4e16b2000abc65533852a7be8f37e558c49f7ef8473`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C37	5384 bytes
`font_01_sfnt_off00007e52.bin` `e546375dac580fb7bb921bf96cac67b2e79ecd9170bd36391078718641169aed`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E52	9680 bytes

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