PDF malware analysis — malicious · f91734d3e5479391

MALICIOUS

PDF

43.0 KB Created: 2020-08-06 20:47:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 81c05f2919a83811d84dbbf94884e4c6 SHA-1: 1469e3b6d9642a19fe40723a5478e7d888bb66a2 SHA-256: f91734d3e5479391c03da45551d7e26b8eb26ee860633af2de4e119ba2d6ba08

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of embedded links, with a critical heuristic firing indicating a link farm designed to redirect users. One of the primary URLs, https://ttraff.cc/pify?keyword=cable+gland+size+pdf, is identified as a malicious redirector. The document body itself is heavily obfuscated and contains embedded URLs, suggesting a lure to download further malicious content. No scripts were extracted from this sample.

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=cable+gland+size+pdf
- http://files.parklandpacificdental.com/uploads/1/3/1/4/131406977/reriwemisitemib_gazoworepedav.pdf
- http://files.eds.company/uploads/1/3/0/7/130739404/vomuzulapudirewit.pdf
- http://files.latvsff.org/uploads/1/3/1/3/131384432/melam-duxan-goxujororaku.pdf
- http://files.newbedfordlx.com/uploads/1/3/1/1/131164153/moduxekimona.pdf
- http://files.thisgirlskitchen.net/uploads/1/3/0/7/130775518/9578450.pdf
- https://cdn.shopify.com/s/files/1/0429/8457/1031/files/pufuzoraxowebugigotus.pdf
- https://cdn.shopify.com/s/files/1/0438/5033/4368/files/biridemesan.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7913659608.pdf
- https://cdn.shopify.com/s/files/1/0430/7222/5442/files/71855307134.pdf
- https://cdn.shopify.com/s/files/1/0440/5883/7142/files/ccna_voice_portable_command_guide.pdf
- https://cdn.shopify.com/s/files/1/0430/5285/9543/files/exemplaire_d_attestation_de_travail.pdf
- https://cdn.shopify.com/s/files/1/0428/9508/1625/files/airtime_application.pdf
- https://cdn.shopify.com/s/files/1/0432/3321/4621/files/24169220651.pdf
- https://cdn.shopify.com/s/files/1/0437/0055/1845/files/e_coli_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/4505/1797/files/96502314537.pdf
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/14008136947.pdf
- https://cdn.shopify.com/s/files/1/0431/1767/4656/files/65784389050.pdf
- https://cdn.shopify.com/s/files/1/0439/4395/2539/files/32539423708.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/
- https://cdn.shopify.com/s/files/1/0437/0055/1845/fi

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006b5d.bin` `99bca81017e0750e836561b6c844007602d0f9783150c9c0f7a7cf9b4861bc0c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B5D	5208 bytes
`font_01_sfnt_off00007d2b.bin` `9371cea82d93a0644f69e365c73bd37cc29accd9756cdf81ad1fbdf74ed0424b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D2B	9984 bytes

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