Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca22211bd17603cf…

MALICIOUS

PDF

41.5 KB Created: 2020-08-10 04:00:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 63bd7c901121544dde01e15b972b1596 SHA-1: 357ac1600acfd3fa6e90126667b11336dccd6800 SHA-256: ca22211bd17603cf6df5c848e8daa10da038e7e3937f4ba432b4bde3e85ab05e
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with one heuristic specifically identifying a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector identified by heuristics. This suggests the primary purpose is to lure users to malicious sites.

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=bomag+bw+120+ad+2+pdf
    • http://ziwixa.asifthinkingmatters.com/uploads/1/3/2/8/132814930/8327967.pdf
    • http://files.customerfocusedlearning.com/uploads/1/3/0/7/130738814/bavajesapamukogobos.pdf
    • http://files.beauteaspace.com/uploads/1/3/2/3/132303019/diwus-sanigamidage-xuniluxebipur.pdf
    • http://files.startsmarthayscaldwell.org/uploads/1/3/0/9/130969061/jaxifa.pdf
    • http://files.preferredagent.org/uploads/1/3/1/6/131606118/murij-sifibubi-kuluro-pokuna.pdf
    • https://cdn.shopify.com/s/files/1/0431/0525/5577/files/wondershareelement_6_ocr_plugin.pdf
    • https://cdn.shopify.com/s/files/1/0429/8178/5753/files/cabasse_auditorium_tronic_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/6647/5164/files/xulexomegafumose.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fovurasavelibegesixaga.pdf
    • https://cdn.shopify.com/s/files/1/0434/1743/6312/files/30886291945.pdf
    • https://cdn.shopify.com/s/files/1/0435/4015/2479/files/pidebofapukaf.pdf
    • https://cdn.shopify.com/s/files/1/0432/7119/2732/files/binedakujutulutixarifagav.pdf
    • https://cdn.shopify.com/s/files/1/0429/9541/7237/files/10650862706.pdf
    • https://cdn.shopify.com/s/files/1/0438/8870/5688/files/virtual_dj_8_keygen.pdf
    • https://cdn.shopify.com/s/files/1/0432/8249/7701/files/believe_in_yourself_you_are_amazing.pdf
    • https://cdn.shopify.com/s/files/1/0430/4555/2290/files/46787258255.pdf
    • https://cdn.shopify.com/s/files/1/0431/7049/6672/files/20356495238.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.

FilenameKindSourceSize
font_00_sfnt_off000062c5.bin
63fc511a37420c009e961f355369295c8594747509f98f3af88806f21f62b679		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62C5 5660 bytes
font_01_sfnt_off0000761a.bin
ae4f66470733bf59b7e199436c9925a57896df0f57794ab95bd1b7e1ddeba3e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x761A 10412 bytes

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