PDF malware analysis — malicious · 9a858f3dc0283a9b

MALICIOUS

PDF

58.4 KB Created: 2020-08-07 09:48:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6afc6c79ad110739c7017e174aef6882 SHA-1: e5e0e3fc57570cf9799f8b1600fb43d8ee92d6e3 SHA-256: 9a858f3dc0283a9be5528d53ff0ef3dd61dfb4f7da0a76421480a3027dab355c

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with one heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to '4th industrial revolution book pdf' and a URL that appears to be part of the redirection chain. The presence of numerous external PDF links suggests a link farm or SEO poisoning tactic to distribute malicious content.

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=4th+industrial+revolution+book+pdf
- http://rafifazu.bridgeartsproject.com/uploads/1/3/2/3/132303382/bodidapozogis.pdf
- http://files.thomasfc.com/uploads/1/3/0/7/130738719/677013.pdf
- http://files.barryneighbors.com/uploads/1/3/0/8/130874162/nowarijovitar.pdf
- http://guteme.kyler-leroux-coaching-portfolio.com/uploads/1/3/2/6/132681579/70186f4792f8.pdf
- https://cdn.shopify.com/s/files/1/0436/4769/7049/files/42856149799.pdf
- https://cdn.shopify.com/s/files/1/0437/8879/6053/files/72896995378.pdf
- https://cdn.shopify.com/s/files/1/0439/5817/3854/files/extract_vmdk_from_ova.pdf
- https://cdn.shopify.com/s/files/1/0431/6564/7012/files/fajila.pdf
- https://cdn.shopify.com/s/files/1/0431/3061/8011/files/zusure.pdf
- https://cdn.shopify.com/s/files/1/0433/6441/7695/files/boyds_bears_values_guide.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98690712505.pdf
- https://cdn.shopify.com/s/files/1/0429/5606/2876/files/34327639463.pdf
- https://cdn.shopify.com/s/files/1/0427/5542/4423/files/york_air_conditioner_compressors.pdf
- https://cdn.shopify.com/s/files/1/0436/2053/2386/files/bedupa.pdf
- https://cdn.shopify.com/s/files/1/0432/8367/7339/files/66975467269.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86662201832.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/

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000981e.bin` `5bb3c990a251a350613dcdc653fec132a2a7f193ca7c8744a4b68c275a9bd621`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x981E	5268 bytes
`font_01_sfnt_off0000a9f6.bin` `5201a68faa63ea4c43a95c1766789e5db7f77deddf6712c8c6d6df3153e74abe`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA9F6	10604 bytes
`font_02_sfnt_off0000ce37.bin` `ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCE37	4324 bytes

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