PDF malware analysis — malicious · e729ce9073d67739

MALICIOUS

PDF

45.9 KB Created: 2020-08-04 12:28:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 12f8db7b3d65d03d9ff5b548fb11d82e SHA-1: 65f52cf1f563bfbb9f16e671d33eb62f5d69e80e SHA-256: e729ce9073d67739494fb4677e886d00e5eaf17372ffedee888c7fc83b8f6739

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm, with one critical heuristic identifying a link to a known malicious redirector. The document body contains text suggesting an invoice or payment lure, which is a common social engineering tactic. The primary malicious URL identified is https://ttraff.cc/pify?keyword=ccpc+act+pdf, which likely leads to further malicious content.

Heuristics 4

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.
Fake invoice / payment lure low SE_INVOICE_LURE

Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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=ccpc+act+pdf
- http://files.fhcamd.org/uploads/1/3/1/6/131637034/5932877.pdf
- http://files.galvestonbaycharterfishing.com/uploads/1/3/1/3/131381374/1074331.pdf
- http://files.studioeightsalonandspa.com/uploads/1/3/2/6/132695620/wosemuvomijilatob.pdf
- http://files.aqdpi.com/uploads/1/3/1/3/131384145/9a126ad2904.pdf
- http://files.beautytipsandcollections.com/uploads/1/3/1/3/131380666/001c3168.pdf
- https://cdn.shopify.com/s/files/1/0427/8019/7031/files/ruterimo.pdf
- https://cdn.shopify.com/s/files/1/0430/0298/6659/files/9175548034.pdf
- https://cdn.shopify.com/s/files/1/0429/1778/9862/files/lejevegexe.pdf
- https://cdn.shopify.com/s/files/1/0437/3282/8314/files/gilase.pdf
- https://cdn.shopify.com/s/files/1/0431/0840/1316/files/migufodegivokilav.pdf
- https://cdn.shopify.com/s/files/1/0433/9613/7111/files/tucson_tv_listings.pdf
- https://cdn.shopify.com/s/files/1/0448/5795/0370/files/buku_agama_islam_kelas_10_kurikulum_2020_revisi_2020.pdf
- https://cdn.shopify.com/s/files/1/0434/5964/1496/files/20188386505.pdf
- https://cdn.shopify.com/s/files/1/0431/6577/8076/files/fowux.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/noviwuvado.pdf
- https://cdn.shopify.com/s/files/1/0436/8983/6697/files/jaxuxatu.pdf
- https://cdn.shopify.com/s/files/1/0434/8346/3832/files/14345901407.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_off000076b7.bin` `7b39e2d4466efdd7b5599b3f7a67abc165a338d15e2ad34deda4eb7f7c7b30b7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x76B7	4748 bytes
`font_01_sfnt_off000086f8.bin` `4ad5d5d8bf14b0f9fff2321dc0ac257eb4f455d59954b9fcdb9eab8a9842ce44`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86F8	10536 bytes

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