PDF malware analysis — malicious · 84edc6a5dccce80c

MALICIOUS

PDF

48.9 KB Created: 2020-08-19 15:28:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: abbcae2b905630a4da08c608b9130265 SHA-1: 5d2eceb004270a1a7cdaefbd753cc7dac4dd033b SHA-256: 84edc6a5dccce80c368a9a78fd28231af447ef845d6c16f751a3c8ca71937cc1

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external PDF links, indicating a link farm. One of the primary URLs, 'https://ttraff.com/pify?keyword=pt3+bm+format+2019', is identified as a malicious redirector. The document body contains obfuscated text and references to 'Pt3 bm format 2019', suggesting a lure. The presence of numerous links, including those pointing to potentially malicious domains, strongly suggests an attempt to redirect users to malicious sites for phishing or malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=pt3+bm+format+2019
- http://rotudupuf.huntcountytexasmissing.com/uploads/1/3/1/4/131438268/xisapoletunudinizoga.pdf
- http://files.wildconnectionart.com/uploads/1/3/1/3/131384777/julaxew.pdf
- http://files.backnbalance.org/uploads/1/3/0/8/130814172/8432241.pdf
- http://susij.norfolkmedicalservices.com/uploads/1/3/0/7/130775164/togewadoj_pilapibetovusa_jigawopizusub.pdf
- https://cdn.shopify.com/s/files/1/0433/8086/7235/files/77823466529.pdf
- https://cdn.shopify.com/s/files/1/0431/3507/4465/files/samsung_video_wallpaper_apk.pdf
- https://cdn.shopify.com/s/files/1/0433/3237/0584/files/19646335555.pdf
- https://cdn.shopify.com/s/files/1/0428/6346/0508/files/papet.pdf
- https://cdn.shopify.com/s/files/1/0433/3685/9813/files/nobinipubegiwupatubu.pdf
- https://cdn.shopify.com/s/files/1/0429/6838/3641/files/fawumuw.pdf
- https://cdn.shopify.com/s/files/1/0432/8056/4392/files/68214390956.pdf
- https://cdn.shopify.com/s/files/1/0433/8850/2174/files/lonamogutinefok.pdf
- https://cdn.shopify.com/s/files/1/0434/3159/2088/files/bozogige.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005b58.bin` `504e99632196ca1c7cb2d047e8cec7561a92f057e558d338eeec6c8594eb0de6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5B58	11896 bytes
`font_01_sfnt_off00008214.bin` `1a3de897bba62860455c732771fb3380771062509d48a3d62999cca2874a8835`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8214	5492 bytes
`font_02_sfnt_off000094a6.bin` `17fa8e31d6eb1f0604cd95817e7da213957f8eeeb478d5ee42030b914f0cd58f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x94A6	10088 bytes

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