PDF malware analysis — malicious · 3ce3085303de048f

MALICIOUS

PDF

40.4 KB Created: 2020-07-09 14:01:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 02a0d32d855e722cbe0a477a4bb901fb SHA-1: 32ca14ab5a6c4dfaddf5b4c3a92d29f20d9e7bfa SHA-256: 3ce3085303de048ff9daef3a87dc9e7742c86ff1a730ee25fe2a3a644a652146

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a significant number of embedded links, identified as a link farm, with one specifically pointing to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves luring users into clicking these links, which likely lead to malicious websites or phishing pages.

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/wb?keyword=ecosystem%20biotic%20and%20abiotic%20factors%20pdf
- http://files.vapath.org/uploads/1/3/1/4/131409709/6197041.pdf
- http://files.pemmensgolf.net/uploads/1/3/1/3/131379612/febokibilodirina.pdf
- http://files.twistedclovers.com/uploads/1/3/0/7/130739503/muzoluzo-dofozog-pawavubuweve.pdf
- http://files.duanebrownlaw.com/uploads/1/3/1/4/131483253/2887604.pdf
- http://files.mtalphacycling.org/uploads/1/3/2/6/132681690/vonup-jugolepixijaven-powize-ruvoret.pdf
- http://files.annaboldina.com/uploads/1/3/1/3/131379680/depebug.pdf
- http://files.well-estar.com/uploads/1/3/1/6/131637034/91a0067.pdf
- http://files.freedomvalleyfarm.com/uploads/1/3/1/3/131382320/5470ef4bf0.pdf
- http://files.ultimategymsports.com/uploads/1/3/1/6/131606619/nisozofivo.pdf
- http://files.trustonyu.com/uploads/1/3/1/4/131452778/sivaleserilis-xakib-nidofek-diwobipezavib.pdf
- https://sebokufani.files.wordpress.com/2020/07/60451059140.pdf
- https://puxefijo.files.wordpress.com/2020/07/56867839488.pdf
- https://lasogotunule.files.wordpress.com/2020/06/buvakoxuvebenis.pdf
- https://vonewoxad.files.wordpress.com/2020/06/bodegevenoxazodigu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dosodasanofesawule.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kopamidije.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wojilezufaguxulidumusad.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62222626122.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_off00006234.bin` `d6957824e7069442a187b83963ebd9effd24272c7e2003988cf5268949b507b3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6234	5256 bytes
`font_01_sfnt_off000073f4.bin` `8879fd442e56ff77a622f15dcc0c3470dd861f7c641c1480f9b9e81c3314901e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x73F4	9508 bytes

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