PDF malware analysis — malicious · 4038828fe6cbe4f7

MALICIOUS

PDF

35.0 KB Created: 2020-09-18 01:59:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 86e7e7912b838859512ac90e2c7b334b SHA-1: 3b637ba0bddd1374b2713a16ed061882ab096e55 SHA-256: 4038828fe6cbe4f7906a9ff638482cc46bd7769e88cb7f0798a3ffae5591bae9

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. The document body, though heavily obfuscated, contains text related to 'reliability engineering' and includes URLs that are also present in the heuristic findings. The primary heuristic firings indicate that the PDF is a malicious redirector and part of a link farm, designed to lead users to harmful sites. 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.me/wix?keyword=reliability+engineering+pdf
- http://vatomuz.tuftsprintcopy.com/uploads/1/3/2/7/132712348/3663559.pdf
- http://detun.lifepathchurch.org/uploads/1/3/1/0/131070993/sonuwexetajir_nusuwexuletuxar_fuxezemidade_dorapakinozob.pdf
- http://lonotaw.digginthedirt.com/uploads/1/3/1/3/131380081/579ab.pdf
- http://zolig.fifelake.org/uploads/1/3/1/0/131070765/zijomibij-tivixom.pdf
- https://d8db5d06-4af9-42a1-97be-f5e979ab6c63.filesusr.com/ugd/1cc7e8_3724950d80b34ee58a4d640f8f9c24e9.pdf?index=true
- https://91a4ae40-4c32-4050-a537-d374ec697d37.filesusr.com/ugd/143c98_add814fc83134c31b9e8380c0b59210c.pdf?index=true
- https://dfa60295-83fd-4c34-a078-77da92a257e7.filesusr.com/ugd/2072cd_2c4e9496a0a646ec81401ce72b0114cf.pdf?index=true
- https://9e8c42aa-5b52-49e1-8555-702460132a66.filesusr.com/ugd/3bf302_812d3ad077604a6289dd07c1d252ef82.pdf?index=true
- https://1c4e5db0-808e-41a1-9f3e-bb6c856abbf2.filesusr.com/ugd/affaa6_fd00da1d6bcf4a60b2310b1813432c15.pdf?index=true
- https://bab39ee1-aebf-4638-b99a-25811b3f200a.filesusr.com/ugd/9904c2_38921ced64b142738639b597ce5cbac6.pdf?index=true
- https://b4e31133-48e8-435a-a989-aa8adfaf0b79.filesusr.com/ugd/0d018b_34e6a06cb55d4cf8859c7e958bbec38f.pdf?index=true
- https://cdn.shopify.com/s/files/1/0429/0176/6310/files/sokodekalodipopur.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/numaxeg.pdf
- https://cdn.shopify.com/s/files/1/0428/4373/4182/files/wufij.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_off00004c34.bin` `25331ea17cbe31f4aa15657cd1cebc898f80450aaadb05857a31ad3e49160381`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4C34	5280 bytes
`font_01_sfnt_off00005e42.bin` `49e22ba83e3dac6a779896ed95d1593ef030e25b9749188add1d7ccb5aad5255`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E42	9744 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.