PDF malware analysis — malicious · 336fb66d1216c0d1

MALICIOUS

PDF

64.2 KB Created: 2020-08-01 22:01:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7ba08567334660eafa1718289201314b SHA-1: a20c4ef5ad3b70c4e616f52071afd363fcf36fcf SHA-256: 336fb66d1216c0d1c9e8a6d57792b62b7bbc7a186d6f21c1cf48b8d05bdd50b9

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 one identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that points to a redirector service. This suggests the primary purpose is to redirect users to potentially malicious content or to engage in SEO manipulation for malicious purposes. No scripts were extracted, limiting the analysis of direct payload delivery.

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.ru/pify?keyword=shijou+saikyou+no+deshi+kenichi+ova
- http://files.chicksthatrun.com/uploads/1/3/1/4/131437655/4927974.pdf
- http://files.kodachrome.net/uploads/1/3/1/3/131384542/4609490.pdf
- http://files.gammapsionline.net/uploads/1/3/1/4/131406222/rirapigaf_zukodezopanipo_rerugifagosejog.pdf
- https://cdn.shopify.com/s/files/1/0433/6248/4383/files/wituxularepogapiribelewed.pdf
- https://cdn.shopify.com/s/files/1/0429/7919/7081/files/hp_deskjet_3050_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/7450/2312/files/kupazezuxigunufexo.pdf
- https://cdn.shopify.com/s/files/1/0431/4827/9957/files/zudamivob.pdf
- https://cdn.shopify.com/s/files/1/0433/5812/6245/files/81198938207.pdf
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/32181849577.pdf
- https://cdn.shopify.com/s/files/1/0434/0488/6166/files/72355191894.pdf
- https://cdn.shopify.com/s/files/1/0428/0533/0083/files/71636821973.pdf
- https://cdn.shopify.com/s/files/1/0433/7205/2643/files/suzoti.pdf
- https://cdn.shopify.com/s/files/1/0432/8456/2084/files/sefetepakonuxupususag.pdf
- https://cdn.shopify.com/s/files/1/0429/4941/0979/files/61579145756.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/1/0433/7205/2643/files

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off000069f9.bin` `470b56f4965e73c509f736be3c4bcbb109003a293310bf58b0b296807dd3d7eb`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x69F9	18800 bytes
`font_01_sfnt_off0000a6d6.bin` `04eb9e8694c94007b8689ac3133ec2063931f2021136ad2a6f843a69e3b3506c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA6D6	5304 bytes
`font_02_sfnt_off0000b8f4.bin` `1ba8b5c076b02b8ce438043876dd5ab32de58d7f653ac5075ec403ae02199f43`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB8F4	10076 bytes
`font_03_sfnt_off0000dbb5.bin` `d6aeca2d71d065aeba00d03c50d672d3ba05f186ce264dc70760bb3990d11dd0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDBB5	16632 bytes

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