PDF malware analysis — malicious · e48fe1e0b7ca7c09

MALICIOUS

PDF

81.7 KB Created: 2020-08-23 16:29:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3dc6aba184c1bbb64dffd759730e49b1 SHA-1: 5b54117946bf23d4b473c740bebd9c1586e06d03 SHA-256: e48fe1e0b7ca7c0954ab2aca6c101ab8768518a3c4da2020819d7bcc71451ed9

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL for the malicious redirector. This suggests the primary goal is to redirect the user to a malicious site, likely for further exploitation or phishing.

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.com/pify?keyword=bootstrap+form+control+focus+style
- http://files.koviahse.com/uploads/1/3/2/6/132681783/japesakexi.pdf
- http://files.budavet.net/uploads/1/3/1/4/131437513/sovukudeborezod.pdf
- http://gewodi.thebluenoteringos.com/uploads/1/3/2/7/132740214/xefewobudoleg-sidumojisuf.pdf
- http://kimik.conleysplacerestaurant.com/uploads/1/3/1/3/131398222/zokaxoko.pdf
- https://cdn.shopify.com/s/files/1/0432/8649/5397/files/online_banner_template_vector.pdf
- https://cdn.shopify.com/s/files/1/0434/0531/2154/files/datemujoviku.pdf
- https://cdn.shopify.com/s/files/1/0438/0635/9713/files/61047294210.pdf
- https://cdn.shopify.com/s/files/1/0433/9109/0844/files/20964797443.pdf
- https://cdn.shopify.com/s/files/1/0437/5907/5477/files/nanadebekole.pdf
- https://cdn.shopify.com/s/files/1/0436/8993/5002/files/zusozasodagelojoda.pdf
- https://cdn.shopify.com/s/files/1/0434/6681/7696/files/inverse_properties_of_logarithms.pdf
- https://cdn.shopify.com/s/files/1/0427/8986/3580/files/25759412293.pdf
- https://cdn.shopify.com/s/files/1/0429/0124/2022/files/96988747306.pdf
- https://cdn.shopify.com/s/files/1/0431/0650/0769/files/amari_information_geometry.pdf
- https://cdn.shopify.com/s/files/1/0430/6799/8362/files/zomumexemugideb.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000bd58.bin` `5f427f60cb82b66f9a88296bd6ca42a7a45cc44ab8458a876f4c91c70507dbb7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBD58	12416 bytes
`font_01_sfnt_off0000e3df.bin` `062da6affcb1ba46378239cd433e889fb36e77eab2ea57bbb25f4edef690b7a1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE3DF	5144 bytes
`font_02_sfnt_off0000f551.bin` `37d74ad39992cfb18da8a9f41b63b36687aed4ed4b970dd4b0c51a80f29bf072`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF551	17220 bytes
`font_03_sfnt_off00012ab8.bin` `9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12AB8	4324 bytes

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